gcc/testsuite/gcc.dg/Wcomplain-wrong-lang-3.c - gcc - Git at Google

 /* { dg-options {-Wctad-maybe-unsupported -Wno-complain-wrong-lang} }
    { dg-bogus {command-line option '-Wctad-maybe-unsupported' is valid for C\+\+/ObjC\+\+ but not for C} {} { target *-*-* } 0 } */
	/* { dg-options {-Wctad-maybe-unsupported -Wno-complain-wrong-lang} }
	{ dg-bogus {command-line option '-Wctad-maybe-unsupported' is valid for C\+\+/ObjC\+\+ but not for C} {} { target --* } 0 } */