2585 |             maybe_record_node (nodes, target, inserted, can_refer, completep);
      |                               ^
../../gcc/ipa-devirt.cc:2580:16: note: 'can_refer' declared here
 2580 |           bool can_refer;
      |                ^
In function 'record_targets_from_bases',
    inlined from 'possible_polymorphic_call_targets' at ../../gcc/ipa-devirt.cc:3349:29:
../../gcc/ipa-devirt.cc:2951:31: warning: 'can_refer' may be used uninitialized [-Wmaybe-uninitialized]
 2951 |             maybe_record_node (nodes, target, inserted, can_refer, completep);
      |                               ^
../../gcc/ipa-devirt.cc: In function 'possible_polymorphic_call_targets':
../../gcc/ipa-devirt.cc:2946:16: note: 'can_refer' declared here
 2946 |           bool can_refer;
      |                ^
../../gcc/spellcheck.cc: In function '_Z17get_edit_distancePKciS0_i.part.0':
../../gcc/spellcheck.cc:71:61: warning: argument 1 value '18446744073709551615' exceeds maximum object size 9223372036854775807 [-Walloc-size-larger-than=]
   71 |   edit_distance_t *v_two_ago = new edit_distance_t[len_s + 1];
      |                                                             ^
/builddir/build/BUILD/gcc-13.0.1-20230215/libstdc++-v3/libsupc++/new:128:26: note: in a call to allocation function 'operator new []' declared here
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^
../../gcc/spellcheck.cc:72:61: warning: argument 1 value '18446744073709551615' exceeds maximum object size 9223372036854775807 [-Walloc-size-larger-than=]
   72 |   edit_distance_t *v_one_ago = new edit_distance_t[len_s + 1];
      |                                                             ^
/builddir/build/BUILD/gcc-13.0.1-20230215/libstdc++-v3/libsupc++/new:128:26: note: in a call to allocation function 'operator new []' declared here
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^
../../gcc/spellcheck.cc:73:58: warning: argument 1 value '18446744073709551615' exceeds maximum object size 9223372036854775807 [-Walloc-size-larger-than=]
   73 |   edit_distance_t *v_next = new edit_distance_t[len_s + 1];
      |                                                          ^
/builddir/build/BUILD/gcc-13.0.1-20230215/libstdc++-v3/libsupc++/new:128:26: note: in a call to allocation function 'operator new []' declared here
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^
../../gcc/omp-low.cc: In function 'lower_omp_target':
../../gcc/omp-low.cc:13530:69: warning: 'null_lb' may be used uninitialized [-Wmaybe-uninitialized]
13530 |                     gimple_seq_add_stmt (&ilist, gimple_build_label (null_lb));
      |                                                                     ^
../../gcc/omp-low.cc:13488:35: note: 'null_lb' was declared here
13488 |                 tree not_null_lb, null_lb, after_lb;
      |                                   ^
../../gcc/omp-low.cc:13529:68: warning: 'after_lb' may be used uninitialized [-Wmaybe-uninitialized]
13529 |                     gimple_seq_add_stmt (&ilist, gimple_build_goto (after_lb));
      |                                                                    ^
../../gcc/omp-low.cc:13488:44: note: 'after_lb' was declared here
13488 |                 tree not_null_lb, null_lb, after_lb;
      |                                            ^
../../gcc/expmed.cc: In function 'extract_bit_field_1':
../../gcc/expmed.cc:1838:45: warning: 'MEM[(struct scalar_int_mode *)&imode]' may be used uninitialized [-Wmaybe-uninitialized]
 1838 |       rtx sub = extract_bit_field_as_subreg (mode1, op0, imode,
      |                                             ^
../../gcc/expmed.cc:1798:19: note: 'MEM[(struct scalar_int_mode *)&imode]' was declared here
 1798 |   scalar_int_mode imode;
      |                   ^