[PATCH] D30729: [ubsan] Skip range checks for width-limited values

[Vedant Kumar via Phabricator via cfe-commits]

vsk updated this revision to Diff 91030.
vsk added a comment.

- Make check-not's a bit stricter per Filipe's comment.
- Add a negative test for fixed enums.


https://reviews.llvm.org/D30729

Files:
  lib/CodeGen/CGExpr.cpp
  lib/CodeGen/CodeGenFunction.h
  test/CodeGenCXX/ubsan-bitfields.cpp

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