/* Test diagnostic for GNU extension: omitting middle term of conditional expression. Test with -pedantic-errors. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-std=gnu99 -pedantic-errors" } */ int a, b, c; void f (void) { c = (++a ? : b); /* { dg-error "ISO C forbids omitting the middle term of a \\?: expression" } */ }