Fixed a bug handling void function types.
Requires rebuild of llvm-gcc4 (touch llvm-debug.cpp.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29131 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 14bb962..ff62b46 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -1413,7 +1413,7 @@
Ty->AddUInt(DW_AT_prototyped, DW_FORM_flag, 1);
// Add return type.
Ty->AddDIEntry(DW_AT_type, DW_FORM_ref4,
- NewType(Context, cast<TypeDesc>(Elements[0]), Unit));
+ NewType(Context, dyn_cast<TypeDesc>(Elements[0]), Unit));
// Add arguments.
for(unsigned i = 1, N = Elements.size(); i < N; ++i) {