Adding a test case to ensure that type attributes applied to the decl-specifier are applied across all declarations in a group.

llvm-svn: 202501
diff --git a/clang/test/Misc/ast-dump-attr.cpp b/clang/test/Misc/ast-dump-attr.cpp
index 1f0e780..bb4be5b 100644
--- a/clang/test/Misc/ast-dump-attr.cpp
+++ b/clang/test/Misc/ast-dump-attr.cpp
@@ -109,4 +109,8 @@
 // CHECK: FunctionDecl{{.*}}printf
 // CHECK-NEXT: ParmVarDecl{{.*}}format{{.*}}'const char *'
 // CHECK-NEXT: FormatAttr{{.*}}printf 1 2 Implicit
-}
\ No newline at end of file
+}
+
+int __attribute__((cdecl)) TestOne(void), TestTwo(void);
+// CHECK: FunctionDecl{{.*}}TestOne{{.*}}__attribute__((cdecl))
+// CHECK: FunctionDecl{{.*}}TestTwo{{.*}}__attribute__((cdecl))