[PATCH] D130301: [Clang] Fix how we set the NumPositiveBits on an E numDecl to cover the case of single enumerator with value zero or an empty enum

[Shafik Yaghmour via Phabricator via cfe-commits]

shafik updated this revision to Diff 446997.
shafik marked 4 inline comments as done.
shafik added a comment.

- Addressed style comments
- Changed to use initializer_list version of std::max
- Added test to cover enum with -1 as sole enumerator value


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130301/new/

https://reviews.llvm.org/D130301

Files:
  clang/lib/Sema/SemaDecl.cpp
  clang/test/CodeGenCXX/pr12251.cpp
  compiler-rt/test/ubsan/TestCases/Misc/enum.cpp

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