PCH support for TypesCompatibleExpr, ChooseExpr, and GNUNullExpr.

llvm-svn: 69242
diff --git a/clang/test/PCH/exprs.c b/clang/test/PCH/exprs.c
index 6d5a969..5396c04 100644
--- a/clang/test/PCH/exprs.c
+++ b/clang/test/PCH/exprs.c
@@ -63,3 +63,12 @@
 
 // ExtVectorElementExpr
 ext_vector_element *double_ptr5 = &floating;
+
+// TypesCompatibleExpr
+types_compatible *int_ptr7 = &integer;
+
+// ChooseExpr
+choose_expr *int_ptr8 = &integer;
+
+// GNUNullExpr FIXME: needs C++
+//null_type null = __null;