[PATCH] D34121: [ubsan] Teach the pointer overflow check that "p - <unsigned> <= p" (PR33430)

[Vedant Kumar via Phabricator via cfe-commits]

vsk updated this revision to Diff 102603.
vsk marked an inline comment as done.
vsk added a comment.

Address Adrian's comment about using an enum to simplify some calls.


https://reviews.llvm.org/D34121

Files:
  lib/CodeGen/CGExpr.cpp
  lib/CodeGen/CGExprScalar.cpp
  lib/CodeGen/CodeGenFunction.h
  test/CodeGen/ubsan-pointer-overflow.m

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