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[sema] Check the result of getAsCXXRecordDecl() to fix the build 

I'm not 100% sure what should happen here to find the real
CXXRecordDecl.

llvm-svn: 178297
This commit is contained in:
Reid Kleckner 2013-03-28 22:15:11 +00:00
parent e3164e9647
commit 00ead85141
1 changed files with 2 additions and 2 deletions
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4
clang/lib/Sema/SemaType.cpp
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@ -1733,12 +1733,12 @@ QualType Sema::BuildMemberPointerType(QualType T, QualType Class,
// when passing pointers between TUs that disagree about the size.
if (Context.getTargetInfo().getCXXABI().isMicrosoft()) {
CXXRecordDecl *RD = Class->getAsCXXRecordDecl();
if (!RD->hasAttr<MSInheritanceAttr>()) {
if (!RD || !RD->hasAttr<MSInheritanceAttr>()) {
// Lock in the inheritance model on the first use of a member pointer.
// Otherwise we may disagree about the size at different points in the TU.
// FIXME: MSVC picks a model on the first use that needs to know the size,
// rather than on the first mention of the type, e.g. typedefs.
if (RequireCompleteType(Loc, Class, 0) && !RD->isBeingDefined()) {
if (RequireCompleteType(Loc, Class, 0) && RD && !RD->isBeingDefined()) {
// We know it doesn't have an attribute and it's incomplete, so use the
// unspecified inheritance model. If we're in the record body, we can
// figure out the inheritance model.