[Bug middle-end/103249] New: [11/12 Regression] ICE in clear_padding_type

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103249

            Bug ID: 103249
           Summary: [11/12 Regression] ICE in clear_padding_type
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jakub at gcc dot gnu.org
                CC: marxin at gcc dot gnu.org, unassigned at gcc dot gnu.org
        Depends on: 103248
  Target Milestone: ---
              Host: x86_64-linux-gnu
            Target: arm-linux-gnueabi

+++ This bug was initially created as a clone of Bug #103248 +++

The ICE mentioned by richi can be reduced to:
class A {};
class B {};
class C : B, virtual A {};
class D : virtual C, B {};
class E : virtual D, B {};
class F : E {};

int
main ()
{
  F f;
  __builtin_clear_padding (&f);
}
which ICEs since r11-5196-g1bea0d0aa5936cb36b6f86f721ca03c1a1bb601d


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103248
[Bug 103248] ICE in operation_could_trap_helper_p, at tree-eh.c:2479