gcc/testsuite/gdc.test/fail_compilation/fail7603a.d - gcc - Git at Google

 /*
 TEST_OUTPUT:
 ---
 fail_compilation/fail7603a.d(7): Error: cannot modify constant `true`
 ---
 */
 void test(ref bool val = true) { }
	/*
	TEST_OUTPUT:
	---
	fail_compilation/fail7603a.d(7): Error: cannot modify constant `true`
	---
	*/
	void test(ref bool val = true) { }