Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/pr40022.c @ 152:2b5abeee2509
update gcc11
author | anatofuz |
---|---|
date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 04ced10e8804 |
children |
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line source
extern void abort (void); struct A { struct A *a; }; struct B { struct A *b; }; __attribute__((noinline)) struct A * foo (struct A *x) { asm volatile ("" : : "g" (x) : "memory"); return x; } __attribute__((noinline)) void bar (struct B *w, struct A *x, struct A *y, struct A *z) { struct A **c; c = &w->b; *c = foo (x); while (*c) c = &(*c)->a; *c = foo (y); while (*c) c = &(*c)->a; *c = foo (z); } struct B d; struct A e, f, g; int main (void) { f.a = &g; bar (&d, &e, &f, 0); if (d.b == 0 || d.b->a == 0 || d.b->a->a == 0 || d.b->a->a->a != 0) abort (); return 0; }