[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 added inline comments.


================
Comment at: compiler-rt/test/ubsan/TestCases/Misc/enum.cpp:10
+enum class EBool : bool { a = 1 } e3;
+enum EEmpty {};
 
----------------
erichkeane wrote:
> can you do a test on:
> 
> `enum ENeg { a = -1 }`
> ?
> 
> That should ALSO have only a single bit.
Added this test and it indeed only has one bit.


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

https://reviews.llvm.org/D130301