Module debugging: Also emit Objective-C interfaces forward declarations

in their module scope when building a clang module.

llvm-svn: 249031

1 files changed, 3 insertions, 2 deletions

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index d5ed7ea1d64..b8c66eccba6 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1663,9 +1663,10 @@ llvm::DIType *CGDebugInfo::CreateType(const ObjCInterfaceType *Ty,
   // debug type since we won't be able to lay out the entire type.
   ObjCInterfaceDecl *Def = ID->getDefinition();
   if (!Def || !Def->getImplementation()) {
+    llvm::DIScope *Mod = getParentModuleOrNull(ID);
     llvm::DIType *FwdDecl = DBuilder.createReplaceableCompositeType(
-        llvm::dwarf::DW_TAG_structure_type, ID->getName(), TheCU, DefUnit, Line,
-        RuntimeLang);
+        llvm::dwarf::DW_TAG_structure_type, ID->getName(), Mod ? Mod : TheCU,
+        DefUnit, Line, RuntimeLang);
     ObjCInterfaceCache.push_back(ObjCInterfaceCacheEntry(Ty, FwdDecl, Unit));
     return FwdDecl;
   }