Native linking failed, duplicate symbol: "_aot_wrapper_gsharedvt_out_sig ......

_From @inforithmics on Mon, 21 Sep 2020 14:24:34 GMT_




### Steps to Reproduce

1.  Create new Xamarin.Forms iOs Project
2.  Set to Release Build
3.  Select "Use the LLVM optimizing compiler"
     Enable Mono Interpreter
![image](https://user-images.githubusercontent.com/2290863/93777971-aaeefd00-fc25-11ea-94f4-2f878b306940.png)


### Expected Behavior
Compiles

### Actual Behavior
Doesn't compile follwing errors occur
```
C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/App3.iOS.exe-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/Xamarin.Forms.Platform.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/Xamarin.Forms.Platform.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_this_obj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/App3.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/App3.iOS.exe-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/App3.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_objobjobjobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_objobjobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_this_objobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_objobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_u1_this_objobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/App3.iOS.exe-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_objobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_objobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_u1_objobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_biiobj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_this_obj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_obj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_u1_this_obj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_obj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_obj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/App3.iOS.exe-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_u1_obj''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_u1_this_objbii''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_u1_this_obji4i4bii''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_this_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/App3.iOS.exe-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_i4_this_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_u1_this_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_objcl29_Mono_dValueTuple_602_3cobject_2c_20int_3e_''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_objobji4''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_u1_this_objobji4''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_void_this_obji4''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_obji4''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_this_i4''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_i4''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5212: Native linking failed, duplicate symbol: ''_aot_wrapper_gsharedvt_out_sig_obj_this_obji4i4''.
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/mscorlib.dll-llvm.o (Location related to previous error)
2>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(710,3): error MT5213: Duplicate symbol in: /Users/infomullerchur/Library/Caches/Xamarin/mtbs/builds/App3.iOS/dffd5d5a2650e0618fc3441c9b1eda74dc2ec3f5ea17bb35f52afefa10c677f1/obj/iPhone/Release/mtouch-cache/arm64/System.Xml.Linq.dll-llvm.o (Location related to previous error)
```
### Environment



```
Microsoft Visual Studio Enterprise 2019 Preview
Version 16.8.0 Preview 3.0
VisualStudio.16.Preview/16.8.0-pre.3.0+30509.190
Microsoft .NET Framework
Version 4.8.04084

Installed Version: Enterprise

Visual C++ 2019   00435-60000-00000-AA373
Microsoft Visual C++ 2019

ADL Tools Service Provider   1.0
This package contains services used by Data Lake tools

ASA Service Provider   1.0

ASP.NET and Web Tools 2019   16.8.440.34356
ASP.NET and Web Tools 2019

ASP.NET Core Razor Language Services   16.1.0.2045103+0e85a8dca3c03eb94268b98270319e79ce608a48
Provides languages services for ASP.NET Core Razor.

ASP.NET Web Frameworks and Tools 2019   16.8.440.34356
For additional information, visit https://www.asp.net/

Azure App Service Tools v3.0.0   16.8.440.34356
Azure App Service Tools v3.0.0

Azure Data Lake Node   1.0
This package contains the Data Lake integration nodes for Server Explorer.

Azure Data Lake Tools for Visual Studio   2.6.1000.1
Microsoft Azure Data Lake Tools for Visual Studio

Azure Functions and Web Jobs Tools   16.8.440.34356
Azure Functions and Web Jobs Tools

Azure Stream Analytics Tools for Visual Studio   2.6.1000.1
Microsoft Azure Stream Analytics Tools for Visual Studio

C# Tools   3.8.0-3.20458.6+b446afd34759150c2ea3b86ab794104e12e64db1
C# components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Common Azure Tools   1.10
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

Extensibility Message Bus   1.2.6 (master@34d6af2)
Provides common messaging-based MEF services for loosely coupled Visual Studio extension components communication and integration.

Fabric.DiagnosticEvents   1.0
Fabric Diagnostic Events

Infragistics.ColorTuner   1.0
Infragistics Color Tuner for Microsoft Visual Studio 2012 and later. For more information visit http://www.infragistics.com

IntelliCode Extension   1.0
IntelliCode Visual Studio Extension Detailed Info

JetBrains ReSharper 2020.2.3   Build 202.0.20200915.120740
JetBrains ReSharper package for Microsoft Visual Studio. For more information about ReSharper, visit http://www.jetbrains.com/resharper. Copyright © 2020 JetBrains, Inc.

Microsoft Azure HDInsight Azure Node   2.6.1000.1
HDInsight Node under Azure Node

Microsoft Azure Hive Query Language Service   2.6.1000.1
Language service for Hive query

Microsoft Azure Service Fabric Tools for Visual Studio   16.0
Microsoft Azure Service Fabric Tools for Visual Studio

Microsoft Azure Stream Analytics Language Service   2.6.1000.1
Language service for Azure Stream Analytics

Microsoft Azure Stream Analytics Node   1.0
Azure Stream Analytics Node under Azure Node

Microsoft Azure Tools   2.9
Microsoft Azure Tools for Microsoft Visual Studio 2019 - v2.9.30701.1

Microsoft Continuous Delivery Tools for Visual Studio   0.4
Simplifying the configuration of Azure DevOps pipelines from within the Visual Studio IDE.

Microsoft JVM Debugger   1.0
Provides support for connecting the Visual Studio debugger to JDWP compatible Java Virtual Machines

Microsoft Library Manager   2.1.79+ge3567815aa.RR
Install client-side libraries easily to any web project

Microsoft MI-Based Debugger   1.0
Provides support for connecting Visual Studio to MI compatible debuggers

Microsoft Visual C++ Wizards   1.0
Microsoft Visual C++ Wizards

Microsoft Visual Studio Tools for Containers   1.1
Develop, run, validate your ASP.NET Core applications in the target environment. F5 your application directly into a container with debugging, or CTRL + F5 to edit & refresh your app without having to rebuild the container.

Microsoft Visual Studio VC Package   1.0
Microsoft Visual Studio VC Package

Mono Debugging for Visual Studio   16.8.31 (e09a7a8)
Support for debugging Mono processes with Visual Studio.

NuGet Package Manager   5.8.0
NuGet Package Manager in Visual Studio. For more information about NuGet, visit https://docs.nuget.org/

PowerShell Pro Tools for Visual Studio   1.0
A set of tools for developing and debugging PowerShell scripts and modules in Visual Studio.

ProjectServicesPackage Extension   1.0
ProjectServicesPackage Visual Studio Extension Detailed Info

Snapshot Debugging Extension   1.0
Snapshot Debugging Visual Studio Extension Detailed Info

SQL Server Data Tools   16.0.62009.04150
Microsoft SQL Server Data Tools

ToolWindowHostedEditor   1.0
Hosting json editor into a tool window

TypeScript Tools   16.0.20902.2001
TypeScript Tools for Microsoft Visual Studio

Visual Basic Tools   3.8.0-3.20458.6+b446afd34759150c2ea3b86ab794104e12e64db1
Visual Basic components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Visual F# Tools   16.8.0-beta.20428.2+068ebd3c599bc5a47163a18b8b90d2fe5517186e
Microsoft Visual F# Tools

Visual Studio Code Debug Adapter Host Package   1.0
Interop layer for hosting Visual Studio Code debug adapters in Visual Studio

Visual Studio Container Tools Extensions (Preview)   1.0
View, manage, and diagnose containers within Visual Studio.

Visual Studio Tools for Containers   1.0
Visual Studio Tools for Containers

Visual Studio Tools for Kubernetes   1.0
Visual Studio Tools for Kubernetes

VisualStudio.DeviceLog   1.0
Information about my package

VisualStudio.Foo   1.0
Information about my package

VisualStudio.Mac   1.0
Mac Extension for Visual Studio

WiX Toolset Visual Studio Extension   1.0.0.4
WiX Toolset Visual Studio Extension version 1.0.0.4
Copyright (c) .NET Foundation and contributors. All rights reserved.

Xamarin   16.8.000.202 (master@c843c47)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin Designer   16.8.0.471 (remotes/origin/d16-8@ce5800ecd)
Visual Studio extension to enable Xamarin Designer tools in Visual Studio.

Xamarin Templates   16.8.99 (898d8e1)
Templates for building iOS, Android, and Windows apps with Xamarin and Xamarin.Forms.

Xamarin.Android SDK   11.1.0.3 (d16-8/b352be8)
Xamarin.Android Reference Assemblies and MSBuild support.
    Mono: 83105ba
    Java.Interop: xamarin/java.interop/d16-8@a807961
    ProGuard: Guardsquare/proguard/proguard6.2.2@ebe9000
    SQLite: xamarin/sqlite/3.32.1@1a3276b
    Xamarin.Android Tools: xamarin/xamarin-android-tools/d16-8@2fb1cbc


Xamarin.iOS and Xamarin.Mac SDK   13.22.1.23 (8318026f1)
Xamarin.iOS and Xamarin.Mac Reference Assemblies and MSBuild support.
```

### Build Logs

See Actual Behavior

### Example Project (If Possible)
[App3.zip](https://github.com/xamarin/xamarin-macios/files/5255938/App3.zip)



### Workaround
Don't select "Use the LLVM optimizing compiler"




_Copied from original issue xamarin/xamarin-macios#9679_

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Native linking failed, duplicate symbol: "_aot_wrapper_gsharedvt_out_sig ...... #20417

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Native linking failed, duplicate symbol: "_aot_wrapper_gsharedvt_out_sig ...... #20417

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