[PATCH] D50250: [clang][ubsan] Implicit Conversion Sanitizer - integer sign change - clang part

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri updated this revision to Diff 162050.
lebedev.ri added a subscriber: chandlerc.
lebedev.ri added a comment.

Rebased ontop of https://reviews.llvm.org/D50901, added

  -  ``-fsanitize=implicit-integer-arithmetic-value-change``: Catches implicit
     conversions that change the arithmetic value of the integer. Enables
     ``implicit-signed-integer-truncation`` and ``implicit-integer-sign-change``.

as requested by @rsmith and @chandlerc.


Repository:
  rC Clang

https://reviews.llvm.org/D50250

Files:
  docs/ReleaseNotes.rst
  docs/UndefinedBehaviorSanitizer.rst
  include/clang/Basic/Sanitizers.def
  lib/CodeGen/CGExprScalar.cpp
  test/CodeGen/catch-implicit-conversions-basics.c
  test/CodeGen/catch-implicit-integer-arithmetic-value-change-basics.c
  test/CodeGen/catch-implicit-integer-conversions-basics.c
  test/CodeGen/catch-implicit-integer-sign-changes-basics.c
  test/CodeGen/catch-implicit-integer-sign-changes-true-negatives.c
  test/CodeGen/catch-implicit-integer-sign-changes.c
  test/CodeGen/catch-implicit-signed-integer-truncation-or-sign-change.c
  test/CodeGenCXX/catch-implicit-integer-sign-changes-true-negatives.cpp
  test/Driver/fsanitize.c

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