https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109304
--- Comment #1 from Sam James <sam at gentoo dot org> --- Created attachment 54772 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54772&action=edit reduced.i ``` $ x86_64-pc-linux-gnu-gcc -c /tmp/reduced.i -fprofile-generate -O3 -fno-semantic-interposition -fPIC /tmp/reduced.i:1:1: warning: data definition has no type or storage class 1 | PyUnicode_FindChar_i; | ^~~~~~~~~~~~~~~~~~~~ /tmp/reduced.i:1:1: warning: type defaults to ‘int’ in declaration of ‘PyUnicode_FindChar_i’ [-Wimplicit-int] /tmp/reduced.i:2:1: warning: return type defaults to ‘int’ [-Wimplicit-int] 2 | PyUnicode_FindChar() { | ^~~~~~~~~~~~~~~~~~ during GIMPLE pass: unswitch /tmp/reduced.i: In function ‘PyUnicode_FindChar’: /tmp/reduced.i:2:1: internal compiler error: in get_vrange, at value-range-storage.cc:87 0x828a6f vrange_storage::get_vrange(void const*, vrange&, tree_node*) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/value-range-storage.cc:87 0x828a6f vrange_storage::get_vrange(void const*, vrange&, tree_node*) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/value-range-storage.cc:72 0x828a6f range_info_get_range(tree_node*, vrange&) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-ssanames.cc:121 0x828a6f duplicate_ssa_name_range_info(tree_node*, tree_node*) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-ssanames.cc:750 0x15ca96a duplicate_ssa_name_fn(function*, tree_node*, gimple*) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-ssanames.cc:771 0x15ca96a duplicate_ssa_name(tree_node*, gimple*) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-ssanames.h:115 0x15ca96a create_new_def_for(tree_node*, gimple*, tree_node**) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-into-ssa.cc:3091 0x15c96cd gimple_duplicate_bb /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-cfg.cc:6555 0x15c8cd5 duplicate_block(basic_block_def*, edge_def*, basic_block_def*, copy_bb_data*) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/cfghooks.cc:1117 0x15c842e copy_bbs(basic_block_def**, unsigned int, basic_block_def**, edge_def**, unsigned int, edge_def**, loop*, basic_block_def*, bool) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/cfghooks.cc:1382 0x15fe319 duplicate_loop_body_to_header_edge(loop*, edge_def*, unsigned int, simple_bitmap_def*, edge_def*, vec<edge_def*, va_heap, vl_ptr>*, int) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/cfgloopmanip.cc:1235 0x15fdc4b gimple_duplicate_loop_body_to_header_edge(loop*, edge_def*, unsigned int, simple_bitmap_def*, edge_def*, vec<edge_def*, va_heap, vl_ptr>*, int) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-ssa-loop-manip.cc:861 0x175c533 loop_version(loop*, void*, basic_block_def**, profile_probability, profile_probability, profile_probability, profile_probability, bool) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/cfgloopmanip.cc:1630 0xcf6c7b tree_unswitch_loop /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-ssa-loop-unswitch.cc:1117 0xcf6c7b tree_unswitch_single_loop /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-ssa-loop-unswitch.cc:1055 0xcf85ed tree_ssa_unswitch_loops(function*) /usr/src/debug/sys-devel/gcc-13.0.1_pre20230326/gcc-13-20230326/gcc/tree-ssa-loop-unswitch.cc:385 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://bugs.gentoo.org/> for instructions. ```
