diff options
| -rw-r--r-- | lib/CodeGen/CGObjC.cpp | 7 | ||||
| -rw-r--r-- | test/CodeGenObjC/property.m | 9 |
2 files changed, 16 insertions, 0 deletions
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp index 888f67d661..f0a47af909 100644 --- a/lib/CodeGen/CGObjC.cpp +++ b/lib/CodeGen/CGObjC.cpp @@ -495,6 +495,13 @@ PropertyImplStrategy::PropertyImplStrategy(CodeGenModule &CGM, return; } + // Properties on bitfield ivars need to be emitted using expression + // accesses even if they're nominally atomic. + if (ivar->isBitField()) { + Kind = Expression; + return; + } + // GC-qualified or ARC-qualified ivars need to be emitted as // expressions. This actually works out to being atomic anyway, // except for ARC __strong, but that should trigger the above code. diff --git a/test/CodeGenObjC/property.m b/test/CodeGenObjC/property.m index dd0786eb30..3cc9200f33 100644 --- a/test/CodeGenObjC/property.m +++ b/test/CodeGenObjC/property.m @@ -103,3 +103,12 @@ void test4(Test4 *t) { // CHECK-NEXT: ret void test4_printf("%.2f", t.f); } + +@interface Test5 { + unsigned _x : 5; +} +@property unsigned x; +@end +@implementation Test5 +@synthesize x = _x; +@end |