[PATCH] D25295: [ubsan] Handle undef values in the integer overflow diagnostic

[Vedant Kumar via llvm-commits]

vsk updated the summary for this revision.
vsk updated this revision to Diff 75489.
vsk added a comment.

- Don't depend on sizeof(SIntMax) being greater than sizeof(ValueHandle). I.e, get a bit smarter about doing overflow checks.


https://reviews.llvm.org/D25295

Files:
  lib/ubsan/ubsan_diag.h
  lib/ubsan/ubsan_handlers.cc
  test/ubsan/TestCases/Integer/Inputs/undef-overflow.bc
  test/ubsan/TestCases/Integer/Inputs/undef-overflow.input.ll
  test/ubsan/TestCases/Integer/undef-overflow.cpp

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