diff options
Diffstat (limited to 'lib/ARCMigrate/Transforms.cpp')
| -rw-r--r-- | lib/ARCMigrate/Transforms.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/ARCMigrate/Transforms.cpp b/lib/ARCMigrate/Transforms.cpp index c2f85f65b7..c0a7b95fe8 100644 --- a/lib/ARCMigrate/Transforms.cpp +++ b/lib/ARCMigrate/Transforms.cpp @@ -75,6 +75,8 @@ bool trans::canApplyWeak(ASTContext &Ctx, QualType type) { ObjCInterfaceDecl *Class = ObjT->getInterfaceDecl(); if (!Class || Class->getName() == "NSObject") return false; // id/NSObject is not safe for weak. + if (Class->isForwardDecl()) + return false; // forward classes are not verifiable, therefore not safe. if (Class->isArcWeakrefUnavailable()) return false; if (isClassInWeakBlacklist(Class)) |