[Bug ipa/88256] New: [7/8/9 Regression] ICE: Segmentation fault (in make_ssa_name_fn)

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88256

            Bug ID: 88256
           Summary: [7/8/9 Regression] ICE: Segmentation fault (in
                    make_ssa_name_fn)
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
                CC: marxin at gcc dot gnu.org
  Target Milestone: ---

g++-9.0.0-alpha20181125 snapshot (r266441), 8.2, 7.3 ICE when compiling
gcc/testsuite/gcc.c-torture/compile/pr84305.c at any optimization level w/
-fipa-cp:

% g++-9.0.0-alpha20181125 -O1 -fipa-cp -c
gcc/testsuite/gcc.c-torture/compile/pr84305.c
during IPA pass: materialize-all-clones
gcc/testsuite/gcc.c-torture/compile/pr84305.c: In function 'void f2(int)':
gcc/testsuite/gcc.c-torture/compile/pr84305.c:4:26: internal compiler error:
Segmentation fault
    4 | void f1 (void) { f2 (a); }
      |                          ^
0xf07ebf crash_signal
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/toplev.c:326
0x11136c9 make_ssa_name_fn(function*, tree_node*, gimple*, unsigned int)
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-ssanames.c:268
0xf82a04 make_ssa_name
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-ssanames.h:114
0xf82a04 remap_ssa_name
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:245
0xf87d97 copy_tree_body_r(tree_node**, int*, void*)
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:1118
0x11b5782 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, default_hash_traits<tree_node*> >*, tree_node*
(*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*,
hash_set<tree_node*, default_hash_traits<tree_node*> >*))
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree.c:11892
0x11b5ead walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, default_hash_traits<tree_node*> >*, tree_node*
(*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*,
hash_set<tree_node*, default_hash_traits<tree_node*> >*))
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree.c:12214
0x11b5ead walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, default_hash_traits<tree_node*> >*, tree_node*
(*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*,
hash_set<tree_node*, default_hash_traits<tree_node*> >*))
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree.c:12214
0xf820e5 remap_type_1
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:578
0xf81021 remap_type(tree_node*, copy_body_data*)
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:607
0xf8914b remap_gimple_op_r
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:999
0x11b5782 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, default_hash_traits<tree_node*> >*, tree_node*
(*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*,
hash_set<tree_node*, default_hash_traits<tree_node*> >*))
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree.c:11892
0x11b5ead walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, default_hash_traits<tree_node*> >*, tree_node*
(*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*,
hash_set<tree_node*, default_hash_traits<tree_node*> >*))
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree.c:12214
0x11b5ead walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, default_hash_traits<tree_node*> >*, tree_node*
(*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*,
hash_set<tree_node*, default_hash_traits<tree_node*> >*))
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree.c:12214
0xc8ca3d walk_gimple_op(gimple*, tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/gimple-walk.c:202
0xf83541 remap_gimple_stmt
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:1778
0xf84536 copy_bb
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:1828
0xf85ddd copy_cfg_body
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:2720
0xf85ddd copy_body
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:2962
0xf8e3ea tree_function_versioning(tree_node*, tree_node*, vec<ipa_replace_map*,
va_gc, vl_embed>*, bool, bitmap_head*, bool, bitmap_head*, basic_block_def*)
       
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181125/work/gcc-9-20181125/gcc/tree-inline.c:5994