view gcc/testsuite/gcc.dg/cpp/c90-empty-macro-args.c @ 132:d34655255c78

update gcc-8.2
author mir3636
date Thu, 25 Oct 2018 10:21:07 +0900
parents 04ced10e8804
children
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line source

/* { dg-do compile } */
/* { dg-options "-std=c89 -pedantic" } */

#define f(a,b)   f2(a,,b) 
#define f2(a,b,c) a; b; c;
#define f3(a)    a

#define g()   p()

void p(void) {}


void foo(void)
{
    f(p(),p()); /* { dg-warning "macro f2 argument 2: empty macro arguments are undefined" } */
    f2(p(),,p()); /* { dg-warning "macro f2 argument 2: empty macro arguments are undefined" } */
    f3(); /* { dg-warning "macro f3 argument 1: empty macro arguments are undefined" } */
    g();
}