./src/bin/lpython ./integration_tests/test_dict_nested1.py
clang -L./src/runtime/ -llpython_runtime -lm -g -fsanitize=address -fno-omit-frame-pointer ./test_dict_nested1.out.tmp.o
LD_PRELOAD=./src/runtime/liblpython_runtime.so ./a.out

==119540==ERROR: AddressSanitizer: requested allocation size 0xfffffffffafafaf8 (0xfffffffffafb0af8 after adjustments for alignment, red zones etc.) exceeds maximum supported size of 0x10000000000 (thread T0)
    #0 0x6140945de9be in malloc /home/runner/work/llvm-project/llvm-project/final/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:69:3
    #1 0x776f5992ea0c in _lfortran_malloc /home/vipul/Workspace/python/lpython/src/libasr/runtime/lfortran_intrinsics.c:1645:12
    #2 0x61409461cdfe in __module___main___test_nested_dict (/home/vipul/Workspace/python/lpython/a.out+0x106dfe)
    #3 0x61409461b435 in __module___main_____main__global_stmts (/home/vipul/Workspace/python/lpython/a.out+0x105435)

==119540==HINT: if you don't care about these errors you may set allocator_may_return_null=1
SUMMARY: AddressSanitizer: allocation-size-too-big /home/runner/work/llvm-project/llvm-project/final/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:69:3 in malloc
==119540==ABORTING

❯ ASAN_OPTIONS="allocator_may_return_null=1" LD_PRELOAD=./src/runtime/liblpython_runtime.so ./a.out
==122213==WARNING: AddressSanitizer failed to allocate 0xfffffffffafafaf8 bytes
=================================================================
==122213==ERROR: AddressSanitizer: unknown-crash on address 0xbebebebebebebebe at pc 0x5a7abf10bad1 bp 0x7ffdca059750 sp 0x7ffdca058f08
READ of size 4210752248 at 0xbebebebebebebebe thread T0
    #0 0x5a7abf10bad0 in memcpy /home/runner/work/llvm-project/llvm-project/final/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors_memintrinsics.inc:115:5
    #1 0x5a7abf14ae10 in __module___main___test_nested_dict (/home/vipul/Workspace/python/lpython/a.out+0x106e10)
    #2 0x5a7abf149435 in __module___main_____main__global_stmts (/home/vipul/Workspace/python/lpython/a.out+0x105435)
    #3 0x5a7abf14be9a in main (/home/vipul/Workspace/python/lpython/a.out+0x107e9a)
    #4 0x7cb4de029d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #5 0x7cb4de029e3f in __libc_start_main csu/../csu/libc-start.c:392:3
    #6 0x5a7abf06f344 in _start (/home/vipul/Workspace/python/lpython/a.out+0x2b344)

Address 0xbebebebebebebebe is a wild pointer inside of access range of size 0x0000fafafaf8.
SUMMARY: AddressSanitizer: unknown-crash /home/runner/work/llvm-project/llvm-project/final/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors_memintrinsics.inc:115:5 in memcpy
==122213==ABORTING