[Bug c/78380] [6/7 regression] GCC crash with internal compiler error: in gen_reg_rtx, at emit-rtl.c:1025

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78380

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code,
                   |                            |needs-bisection
      Known to work|                            |4.0.1, 4.2.1, 4.5.4, 4.7.4,
                   |                            |4.8.5, 8.2.0, 9.0
   Target Milestone|---                         |7.4
            Summary|GCC crash with internal     |[6/7 regression] GCC crash
                   |compiler error: in          |with internal compiler
                   |gen_reg_rtx, at             |error: in gen_reg_rtx, at
                   |emit-rtl.c:1025             |emit-rtl.c:1025
      Known to fail|                            |5.5.0, 6.4.0, 7.3.0

--- Comment #6 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #5)
> Confirming that GCC still ICEs on the testcase provided

Actually the problem seems to have gone away with gcc 8; probably still worth
adding the testcases to make sure it doesn't regress