gcc/testsuite/gcc.dg/pr68306-3.c


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/* { dg-do compile } */
/* { dg-options "-O3" } */
/* { dg-additional-options "-mno-sse -mno-mmx" { target i?86-*-* x86_64-*-* } } */
/* { dg-additional-options "-mno-altivec -mno-vsx" { target powerpc*-*-* } } */

extern void fn2();
struct {
    unsigned qp_num;
    unsigned starting_psn;
    void *private_data;
} a;
struct {
    unsigned id;
    unsigned qpn;
    unsigned psn;
} b;
void fn1() {
    a.qp_num = b.qpn;
    a.starting_psn = b.psn;
    fn2(b.id);
}