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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-23 06:16:52 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-23 06:16:52 +0000 |
| commit | a8eaf008e92759142982f7b40720b2b2674bd663 (patch) | |
| tree | fdbc6414d49262a6e3dbf2ecd383c3e1b311f9dc /lib/Sema/SemaExprObjC.cpp | |
| parent | 925d58c20aba52ef3901db7402a2067266ed12ea (diff) | |
Fix undefined behavior: member function calls where 'this' is a null pointer.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162430 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaExprObjC.cpp')
| -rw-r--r-- | lib/Sema/SemaExprObjC.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp index 0aabf8b634..7c19a13647 100644 --- a/lib/Sema/SemaExprObjC.cpp +++ b/lib/Sema/SemaExprObjC.cpp @@ -3101,8 +3101,8 @@ bool Sema::CheckObjCARCUnavailableWeakConversion(QualType castType, canExprType->isObjCObjectPointerType()) { if (const ObjCObjectPointerType *ObjT = canExprType->getAs<ObjCObjectPointerType>()) - if (ObjT->getInterfaceDecl()->isArcWeakrefUnavailable()) - return false; + if (const ObjCInterfaceDecl *ObjI = ObjT->getInterfaceDecl()) + return !ObjI->isArcWeakrefUnavailable(); } return true; } |