1 /* { dg-do compile } */ 2 /* { dg-options "-std=c99 -pedantic-errors" } */ 3 /* PR 23155 4 We should get one error messag, one about union cast. */ 5 6 7 union vx {short f[8]; int v;}; 8 int vec; 9 10 void foo5(int vec)11foo5 (int vec) 12 { 13 ((union vx) vec).f[5] = 1; /* { dg-error "forbids casts to union type" } */ 14 } 15