[PATCH] D40698: [ubsan] Diagnose noreturn functions which return

[Vedant Kumar via Phabricator via cfe-commits]

vsk updated this revision to Diff 125221.
vsk edited the summary of this revision.
vsk added a comment.

- Diagnose in the scenario Eli pointed out, by stripping the 'noreturn' attribute and emitting a check after the call.
- Test updates.


https://reviews.llvm.org/D40698

Files:
  docs/UndefinedBehaviorSanitizer.rst
  lib/CodeGen/CGAtomic.cpp
  lib/CodeGen/CGBlocks.cpp
  lib/CodeGen/CGBuiltin.cpp
  lib/CodeGen/CGCall.cpp
  lib/CodeGen/CGClass.cpp
  lib/CodeGen/CGDecl.cpp
  lib/CodeGen/CGException.cpp
  lib/CodeGen/CGExpr.cpp
  lib/CodeGen/CGExprCXX.cpp
  lib/CodeGen/CGExprComplex.cpp
  lib/CodeGen/CGObjC.cpp
  lib/CodeGen/CGObjCGNU.cpp
  lib/CodeGen/CGObjCMac.cpp
  lib/CodeGen/CGVTables.cpp
  lib/CodeGen/CodeGenFunction.h
  lib/CodeGen/MicrosoftCXXABI.cpp
  test/CodeGen/ubsan-noreturn.c
  test/CodeGenCXX/ubsan-unreachable.cpp

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