diff options
| author | Devang Patel <dpatel@apple.com> | 2009-08-14 20:57:45 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-08-14 20:57:45 +0000 |
| commit | 5a6bfe35051c1c14b63e1fa103c2cc512dab66b8 (patch) | |
| tree | 624db6fa09080edc8e2e47b9a24653135703fced /lib/CodeGen/CGDebugInfo.cpp | |
| parent | 2c2b06e1f349b1e66da11aa081e9564064078db7 (diff) | |
Do now overflow while calulating upper bound for zero sized array.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79043 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGDebugInfo.cpp')
| -rw-r--r-- | lib/CodeGen/CGDebugInfo.cpp | 5 |
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(); |