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From: "19373742 at buaa dot edu.cn" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/111873] runtime Segmentation fault with '-O3
 -fno-code-hoisting -fno-early-inlining -fno-tree-fre -fno-tree-loop-optimize
 -fno-tree-pre'
Date: Thu, 19 Oct 2023 08:06:15 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: needs-bisection, needs-reduction, wrong-code
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Message-ID: <bug-111873-4-rp08uncDmu@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111873

--- Comment #2 from CTC <19373742 at buaa dot edu.cn> ---
A reduced testcase:

struct a {
  short b;
};
int d;
const struct a c;
void e(short x) {}
void f(short x) {}
int g(const struct a i) {return 0;}
void h(const struct a i) {
  d =3D g(i);
  f(i.b);
  e(i.b);
}
int main() {=20
  h(c);
  return 0;
}=