diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/Sema/SemaChecking.cpp | 3 | ||||
| -rw-r--r-- | clang/test/SemaObjC/conversion.m | 17 |
2 files changed, 20 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp index 426bf68e1d6..94a58cc625a 100644 --- a/clang/lib/Sema/SemaChecking.cpp +++ b/clang/lib/Sema/SemaChecking.cpp @@ -4665,6 +4665,9 @@ static IntRange GetExprRange(ASTContext &C, Expr *E, unsigned MaxWidth) { } } + if (OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E)) + return GetExprRange(C, OVE->getSourceExpr(), MaxWidth); + if (FieldDecl *BitField = E->getSourceBitField()) return IntRange(BitField->getBitWidthValue(C), BitField->getType()->isUnsignedIntegerOrEnumerationType()); diff --git a/clang/test/SemaObjC/conversion.m b/clang/test/SemaObjC/conversion.m new file mode 100644 index 00000000000..88a1a44b217 --- /dev/null +++ b/clang/test/SemaObjC/conversion.m @@ -0,0 +1,17 @@ +// RUN: %clang_cc1 -Wconversion -fsyntax-only %s -verify + +typedef signed char BOOL; +__attribute__((objc_root_class)) @interface RDar14415662 +@property (readonly) BOOL stuff; +@property (readwrite) BOOL otherStuff; +@end + +void radar14415662(RDar14415662 *f, char x, int y) { + f.otherStuff = !f.stuff; // no-warning + BOOL b = !f.stuff; // no-warning + + // True positive to sanity check warning is working. + x = y; // expected-warning {{implicit conversion loses integer precision: 'int' to 'char'}} +} + + |
