gcc/testsuite/gdc.test/fail_compilation/ice11626.d - gcc - Git at Google

 /*
 TEST_OUTPUT:
 ---
 fail_compilation/ice11626.d(8): Error: undefined identifier `Bar`
 ---
 */

 void foo(in ref Bar) {}
	/*
	TEST_OUTPUT:
	---
	fail_compilation/ice11626.d(8): Error: undefined identifier `Bar`
	---
	*/

	void foo(in ref Bar) {}