[Bug c/105970] New: ICE in ix86_function_arg, at config/i386/i386.cc:3351

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105970

            Bug ID: 105970
           Summary: ICE in ix86_function_arg, at config/i386/i386.cc:3351
           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: ---

Affects versions down to r7, with files gcc.dg/torture/pr68037-*.c :


$ gcc-13-20220612 -c pr68037-1.c -mx32 -mgeneral-regs-only
$
$ gcc-13-20220612 -c pr68037-1.c -mx32 -mgeneral-regs-only -maddress-mode=long
during RTL pass: expand
pr68037-1.c: In function 'fn':
pr68037-1.c:32:1: internal compiler error: in ix86_function_arg, at
config/i386/i386.cc:3351
   32 | fn (struct interrupt_frame *frame, uword_t error)
      | ^~
0xf2c309 ix86_function_arg
        ../../gcc/config/i386/i386.cc:3351
0x9313c8 assign_parm_find_entry_rtl
        ../../gcc/function.cc:2535
0x9313c8 assign_parms
        ../../gcc/function.cc:3673
0x933607 expand_function_start(tree_node*)
        ../../gcc/function.cc:5161
0x7d7c21 execute
        ../../gcc/cfgexpand.cc:6695