Use new semantic analyzer for bootstrap (#6966)

ilevkivskyi · web-flow · commit e2f31ed71bd1 · 2019-06-11T00:29:03.000+01:00
This also updates mypyc pin to the latest version that works well with new analyzer.
diff --git a/mypy_bootstrap.ini b/mypy_bootstrap.ini
@@ -13,3 +13,4 @@ warn_redundant_casts = True
 warn_unused_configs = True
 show_traceback = True
 always_true = MYPYC
+new_semantic_analyzer = True
diff --git a/mypyc-requirements.txt b/mypyc-requirements.txt
@@ -1 +1 @@
-git+https://github.com/mypyc/mypyc.git@e7472cb69a39f46fb5b9429cc3d175c7d4cdc7ea#egg=mypyc==0.0.1+dev.e7472cb69a39f46fb5b9429cc3d175c7d4cdc7ea
+git+https://github.com/mypyc/mypyc.git@63ceab91adf8507e211df146b9d8ee34abf2fdbc#egg=mypyc==0.0.1+dev.63ceab91adf8507e211df146b9d8ee34abf2fdbc

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-git+https://github.com/mypyc/mypyc.git@e7472cb69a39f46fb5b9429cc3d175c7d4cdc7ea#egg=mypyc==0.0.1+dev.e7472cb69a39f46fb5b9429cc3d175c7d4cdc7ea`
	`1`	`+git+https://github.com/mypyc/mypyc.git@63ceab91adf8507e211df146b9d8ee34abf2fdbc#egg=mypyc==0.0.1+dev.63ceab91adf8507e211df146b9d8ee34abf2fdbc`