gcc/testsuite/gcc.dg/diag-sanity.c

   1 /* Verify that an invalid argument is diagnosed correcly.
   2    { dg-do compile }
   3    { dg-options "-fdiagnostics-minimum-margin-width=42xyz -flto-compression-level=2-O2" } */
   4
   5
   6 /* { dg-error "argument to '-fdiagnostics-minimum-margin-width=' should be a non-negative integer" "" { target *-*-* } 0 }
   7    { dg-error "argument to '-flto-compression-level=' should be a non-negative integer" "" { target *-*-* } 0 } */