[Bug c/107308] New: ICE in expand_fn_using_insn, at internal-fn.cc:153

[Bug c/107308] New: ICE in expand_fn_using_insn, at internal-fn.cc:153

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107308

            Bug ID: 107308
           Summary: ICE in expand_fn_using_insn, at internal-fn.cc:153
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started with r9 and file gcc.dg/gimplefe-26.c :


$ gcc-13-20221016 -c gimplefe-26.c -fgimple
during RTL pass: expand
gimplefe-26.c: In function 'foo_1':
gimplefe-26.c:5:18: internal compiler error: in expand_fn_using_insn, at
internal-fn.cc:153
    5 | type __GIMPLE () foo_##num (type a, type b, type c) \
      |                  ^~~~
gimplefe-26.c:12:1: note: in expansion of macro 'foo'
   12 | foo(float, 1)
      | ^~~
0xbe62ff expand_fn_using_insn
        ../../gcc/internal-fn.cc:153
0x960647 expand_call_stmt
        ../../gcc/cfgexpand.cc:2737
0x960647 expand_gimple_stmt_1
        ../../gcc/cfgexpand.cc:3880
0x960647 expand_gimple_stmt
        ../../gcc/cfgexpand.cc:4044
0x967def expand_gimple_basic_block
        ../../gcc/cfgexpand.cc:6096
0x96a446 execute
        ../../gcc/cfgexpand.cc:6822

[Bug c/107308] ICE in expand_fn_using_insn, at internal-fn.cc:153

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107308

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marxin at gcc dot gnu.org,
                   |                            |richard.sandiford at arm dot com

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r9-393-gc566cc9f7847785b.

[Bug c/107308] ICE in expand_fn_using_insn, at internal-fn.cc:153

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107308

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |101057
           Keywords|                            |accepts-invalid

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
The test is unsupported so the input is invalid if the target doesn't support
.FMA

Difficult to validate.

You'll find gazillion -fgimple "bugs" like this, but it isn't really the goal
to provide full input validation.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101057
[Bug 101057] [gimplefe] GIMPLE frontend issues