1 /* PR/11658 The error message was quite mysterious for gcc up to 3.4.x */
2
3 union a {
4 int x;
5 };
6
bug_if(union a a)7 int bug_if(union a a) { if (a) return 1; else return 0; } /* { dg-error "union type" } */
bug_while(union a a)8 int bug_while(union a a) { while (a); } /* { dg-error "union type" } */
bug_do_while(union a a)9 int bug_do_while(union a a) { do ; while (a); } /* { dg-error "union type" } */
bug_for(union a a)10 int bug_for(union a a) { for ( ; a; ) ; } /* { dg-error "union type" } */
bug_or(union a a)11 int bug_or(union a a) { return (a || 1); } /* { dg-error "union type" } */
bug_and(union a a)12 int bug_and(union a a) { return (a && 1); } /* { dg-error "union type" } */
bug_cond(union a a)13 int bug_cond(union a a) { return (a ? 1 : 0); } /* { dg-error "union type" } */
bug_cond2(union a a)14 int bug_cond2(union a a) { return (a ? : 0); } /* { dg-error "union type" } */
bug_bool(union a a)15 int bug_bool(union a a) { return (_Bool) a; } /* { dg-error "union type" } */
16