1 /* PR preprocessor/29612 */ 2 /* { dg-do compile } */ 3 /* { dg-options "" } */ 4 5 # 6 "pr29612-1.c" 6 foo(void)7int foo (void) { return 'ab'; } /* { dg-warning "multi-character" } */ 8 9 # 1 "foo.h" 1 3 10 bar(void)11int bar (void) { return 'ab'; } /* No warning in system header. */ 12 13 # 14 "pr29612-1.c" 2 14 baz(void)15int baz (void) { return 'ab'; } /* { dg-warning "multi-character" } */ 16