Do not emit subrange for incomplete array type.
This is tested by ptype.exp in gdb testsuite.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115805 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 2a84d1d..2c72996 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -1255,14 +1255,18 @@
// obvious/recursive way?
llvm::SmallVector<llvm::DIDescriptor, 8> Subscripts;
QualType EltTy(Ty, 0);
- while ((Ty = dyn_cast<ArrayType>(EltTy))) {
- uint64_t Upper = 0;
- 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));
+ if (Ty->isIncompleteArrayType())
EltTy = Ty->getElementType();
+ else {
+ while ((Ty = dyn_cast<ArrayType>(EltTy))) {
+ uint64_t Upper = 0;
+ 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();
+ }
}
llvm::DIArray SubscriptArray =