https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106913
Bug ID: 106913 Summary: [13 Regression] ICE in dump_bb_info, at cfg.cc:796 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Started between 20220828 and 20220904, at -O0, with file gcc.dg/pr51879.c (and several others) : $ cat z1.c # alias pr51879.c int bar (int); void baz (int); void foo (int y) { int a; if (y == 6) a = bar (7); else a = bar (7); baz (a); } $ gcc-13-20220911 -c z1.c -O0 -da -Wall during RTL pass: jump dump file: z1.c.257r.jump z1.c: In function 'foo': z1.c:12:1: internal compiler error: in dump_bb_info, at cfg.cc:796 12 | } | ^ 0x9433ec dump_bb_info(_IO_FILE*, basic_block_def*, int, dump_flag, bool, bool) ../../gcc/cfg.cc:796 0x965f97 dump_bb(_IO_FILE*, basic_block_def*, int, dump_flag) ../../gcc/cfghooks.cc:299 0x9661cf dump_flow_info(_IO_FILE*, dump_flag) ../../gcc/cfghooks.cc:361 0x1c019cd execute ../../gcc/cfgcleanup.cc:3239