Modify a diagnostic introduced in r132612 to emit QualTypes directly

This fixes a memory error on FreeBSD (and is the right thing to do
in any case).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 1914a6a..6d8e8c6 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -5009,8 +5009,8 @@
   if (Context.getTypeSize(DstTy) != Context.getTypeSize(SrcTy))
     return ExprError(Diag(BuiltinLoc,
                           diag::err_invalid_astype_of_different_size)
-                     << DstTy.getAsString().c_str() 
-                     << SrcTy.getAsString().c_str()
+                     << DstTy
+                     << SrcTy
                      << expr->getSourceRange());
   return Owned(new (Context) AsTypeExpr(expr, DstTy, VK, OK, BuiltinLoc, RParenLoc));
 }
diff --git a/test/Parser/opencl-astype.cl b/test/Parser/opencl-astype.cl
index d476b84..d4c547e 100644
--- a/test/Parser/opencl-astype.cl
+++ b/test/Parser/opencl-astype.cl
@@ -11,10 +11,10 @@
   typedef __attribute__(( ext_vector_type(4) ))  double double4;
   
   float4 f4;
-  double4 d4 = __builtin_astype(f4, double4); // expected-error{{invalid reinterpretation: sizes of double4 and float4 must match}}
+  double4 d4 = __builtin_astype(f4, double4); // expected-error{{invalid reinterpretation: sizes of 'double4' and 'float4' must match}}
   
   // Verify int4->float3, float3->int4 works.
   int4 i4;
   float3 f3 = __builtin_astype(i4, float3);
   i4 = __builtin_astype(f3, int4);
-}
\ No newline at end of file
+}