[all-commits] [llvm/llvm-project] 8bfb35: [Sema] Fix a -Wobjc-signed-char-bool false-positive

[Erik Pilkington via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 8bfb353bb33cd2bcd2ef28e36eb8b90123b153c4
      https://github.com/llvm/llvm-project/commit/8bfb353bb33cd2bcd2ef28e36eb8b90123b153c4
  Author: Erik Pilkington <erik.pilkington at gmail.com>
  Date:   2019-11-18 (Mon, 18 Nov 2019)

  Changed paths:
    M clang/lib/AST/Expr.cpp
    M clang/test/SemaObjC/signed-char-bool-conversion.m

  Log Message:
  -----------
  [Sema] Fix a -Wobjc-signed-char-bool false-positive

Unsigned bit-field flags can only have boolean values, so handle that case in
Expr::isKnownToHaveBooleanValue.

rdar://56256999