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Diffstat (limited to 'lib/CodeGen/CGDebugInfo.cpp')
-rw-r--r--lib/CodeGen/CGDebugInfo.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index ee2a94067d..6547434883 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -722,8 +722,9 @@ llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty,
QualType EltTy(Ty, 0);
while ((Ty = dyn_cast<ArrayType>(EltTy))) {
uint64_t Upper = 0;
- if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty))
- Upper = CAT->getSize().getZExtValue() - 1;
+ if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty))
+ if (CAT->getSize().getZExtValue())
+ Upper = CAT->getSize().getZExtValue() - 1;
// FIXME: Verify this is right for VLAs.
Subscripts.push_back(DebugFactory.GetOrCreateSubrange(0, Upper));
EltTy = Ty->getElementType();