[PATCH] D71491: [ubsan] Check implicit casts in ObjC for-in statements

[Vedant Kumar via Phabricator via llvm-commits]

vsk updated this revision to Diff 273815.
vsk added a comment.

Use the `IsKindOfClass` CallArgList when emitting the check, and add a runtime test to ensure that an objc-cast diagnostic is not emitted on correct code.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71491/new/

https://reviews.llvm.org/D71491

Files:
  clang/docs/UndefinedBehaviorSanitizer.rst
  clang/include/clang/Basic/Sanitizers.def
  clang/lib/CodeGen/CGObjC.cpp
  clang/lib/CodeGen/CodeGenFunction.h
  clang/lib/Driver/SanitizerArgs.cpp
  clang/lib/Driver/ToolChains/Darwin.cpp
  clang/test/CodeGenObjC/for-in.m
  compiler-rt/lib/ubsan/ubsan_checks.inc
  compiler-rt/lib/ubsan/ubsan_handlers.cpp
  compiler-rt/lib/ubsan/ubsan_handlers.h
  compiler-rt/lib/ubsan/ubsan_value.cpp
  compiler-rt/lib/ubsan/ubsan_value.h
  compiler-rt/lib/ubsan_minimal/ubsan_minimal_handlers.cpp
  compiler-rt/test/ubsan/TestCases/Misc/objc-cast.m

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