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