mangleCXXRtti obviously needs to take a type, what was I thinking...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85555 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index 40c11a5..ff8cc2b 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -53,7 +53,7 @@
 
     void mangleCXXVtable(const CXXRecordDecl *RD);
     void mangleCXXVTT(const CXXRecordDecl *RD);
-    void mangleCXXRtti(const CXXRecordDecl *RD);
+    void mangleCXXRtti(const Type *Ty);
     void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type);
     void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type);
 
@@ -212,10 +212,12 @@
   mangleName(RD);
 }
 
-void CXXNameMangler::mangleCXXRtti(const CXXRecordDecl *RD) {
+void CXXNameMangler::mangleCXXRtti(const Type *Ty) {
   // <special-name> ::= TI <type>  # typeinfo structure
   Out << "_ZTI";
-  mangleName(RD);
+
+  // FIXME: mangleType should probably take a const Type * instead.
+  mangleType(QualType(Ty, 0));
 }
 
 void CXXNameMangler::mangleGuardVariable(const VarDecl *D) {
@@ -1432,10 +1434,10 @@
     os.flush();
   }
 
-  void mangleCXXRtti(MangleContext &Context, const CXXRecordDecl *RD,
+  void mangleCXXRtti(MangleContext &Context, const Type *Ty,
                      llvm::raw_ostream &os) {
     CXXNameMangler Mangler(Context, os);
-    Mangler.mangleCXXRtti(RD);
+    Mangler.mangleCXXRtti(Ty);
 
     os.flush();
   }