diff options
Diffstat (limited to 'lib/Sema/SemaExpr.cpp')
| -rw-r--r-- | lib/Sema/SemaExpr.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp index c06943f671..5f46a977b1 100644 --- a/lib/Sema/SemaExpr.cpp +++ b/lib/Sema/SemaExpr.cpp @@ -5742,6 +5742,10 @@ inline QualType Sema::CheckLogicalOperands( // C99 6.5.[13,14] // is a constant. if (lex->getType()->isIntegerType() && !lex->getType()->isBooleanType() && rex->getType()->isIntegerType() && rex->isEvaluatable(Context) && + // Don't warn if the RHS is a (constant folded) boolean expression like + // "sizeof(int) == 4". + !rex->isKnownToHaveBooleanValue() && + // Don't warn in macros. !Loc.isMacroID()) Diag(Loc, diag::warn_logical_instead_of_bitwise) << rex->getSourceRange() |