Implements mangling of local class names to
fix a code gen crash. This is WIP as not
all ABI cases are covered (there is a FIXME to 
this effect). Fixes radar 7696748.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97658 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/mangle-local-class-names.cpp b/test/CodeGenCXX/mangle-local-class-names.cpp
new file mode 100644
index 0000000..2726f5e
--- /dev/null
+++ b/test/CodeGenCXX/mangle-local-class-names.cpp
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
+
+// CHECK:  @_ZZ4FUNCvEN4SSSSC1ERKf
+// CHECK: @_ZZ4FUNCvEN4SSSSC2E_0RKf
+
+void FUNC ()
+{
+  {
+    float IVAR1 ;
+
+    struct SSSS 
+    {
+      float bv;
+      SSSS( const float& from): bv(from) { }
+    };
+
+    SSSS VAR1(IVAR1);
+   }
+
+   {
+    float IVAR2 ;
+
+    struct SSSS
+    {
+     SSSS( const float& from) {}
+    };
+
+    SSSS VAR2(IVAR2);
+   }
+}