[Bug tree-optimization/57358] segmentation fault with attribute(optimize(O0))

[nbkolchin at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57358

--- Comment #2 from Nickolay Kolchin-Semyonov <nbkolchin at gmail dot com> ---
More simplified test variant:

struct t { void (*func)(void*); };
void test_func(struct t* a) __attribute__((optimize("O0")));
void test_func(struct t* a)
{
  a->func(0);
}

P.S. If you compile this as C++ code, no segmentation fault would occure.