Check invalid debug info for enums. This may happen when underlyng enum is optimized away. Eventually DwarfChecker will clean this up during llvm verification stage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83655 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 1ea148e..86532e8 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -950,8 +950,10 @@
for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
DIE *ElemDie = NULL;
DIEnumerator Enum(Elements.getElement(i).getNode());
- ElemDie = ConstructEnumTypeDIE(DW_Unit, &Enum);
- Buffer.AddChild(ElemDie);
+ if (!Enum.isNull()) {
+ ElemDie = ConstructEnumTypeDIE(DW_Unit, &Enum);
+ Buffer.AddChild(ElemDie);
+ }
}
}
break;