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Subject: [Bug c/98100] New: ICE in expand_debug_locations, at cfgexpand.c:5610
Date: Wed, 02 Dec 2020 17:09:26 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98100

            Bug ID: 98100
           Summary: ICE in expand_debug_locations, at cfgexpand.c:5610
           Product: gcc
           Version: 11.0
            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 :


$ cat z1.c
__attribute__((target_clones("default","sse2")))
void f ()
{
  __attribute__((__vector_size__(4 * sizeof(float)))) int b =3D {};
}


$ gcc-11-20201129 -c z1.c -O2 -mgeneral-regs-only -fvar-tracking-assignments
during RTL pass: expand
z1.c: In function 'f.sse2.0':
z1.c:2:6: internal compiler error: in expand_debug_locations, at
cfgexpand.c:5610
    2 | void f ()
      |      ^
0x759573 expand_debug_locations
        ../../gcc/cfgexpand.c:5606
0x759573 execute
        ../../gcc/cfgexpand.c:6727=