[Bug middle-end/104446] [9/10/11/12 Regression] ICE in trunc_int_for_mode, at explow.cc:59

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104446

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |needs-bisection
      Known to fail|                            |11.2.0, 9.1.0
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-02-08
      Known to work|                            |8.1.0
   Target Milestone|---                         |9.5
     Ever confirmed|0                           |1
          Component|c                           |middle-end

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed reduced testcase w/o -finstrument-functions:
That is only -O2 -m32 -mrtd is needed to produce the ICE.

register volatile int a __asm__("%esp");

void f(void*);
void f1(void*);

void t ()
{
    f(__builtin_return_address(0));
    a = 0;
    f1(__builtin_return_address(0));
}

---- CUT ---
Note this works with the C++ front-end for some reason.