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