[Bug c++/99110] New: ICE in function_and_variable_visibility, at ipa-visibility.c:716

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99110

            Bug ID: 99110
           Summary: ICE in function_and_variable_visibility, at
                    ipa-visibility.c:716
           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: ---

Testsuite file gcov-14.c or following slightly reduced variant
affects g++ versions down to at least r5 with -fno-weak :


$ cat z1.cc
extern int __attribute__ ((weak)) Foo ();
extern __inline int Foo ()
{
  return 0;
}
int (* __attribute__ ((noinline)) Bar ()) ()
{
  return Foo;
}


$ g++-11-20210214 -c z1.cc -fno-weak
during IPA pass: visibility
z1.cc:9:1: internal compiler error: in function_and_variable_visibility, at
ipa-visibility.c:716
    9 | }
      | ^
0x1604946 function_and_variable_visibility
        ../../gcc/ipa-visibility.c:712