[Bug c/100529] [12/13/14/15 Regression] ICE at -O3: in force_constant_size, at gimplify.c:733 since r11-4494-ga4223abb3deb24e8

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100529

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |needs-stdcheck

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think the comment#3 issue is a different issue since it does not involve IPA.

A testcase that's not rejected without -fpermissive for this is

int map();
void bar(...);
void foo(char a) {
  union C {
    int d[map()];
    char *e;
  };
  bar((union C) & a);
}