https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98347
Bug ID: 98347 Summary: [11 Regression] gcc.dg/long_branch.c ICEs on i686-linux Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: jakub at gcc dot gnu.org Target Milestone: --- during RTL pass: fwprop1 /home/jakub/src/gcc/gcc/testsuite/gcc.dg/long_branch.c: In function 'test_and_branch': /home/jakub/src/gcc/gcc/testsuite/gcc.dg/long_branch.c:185:1: internal compiler error: Segmentation fault 0x8b940ba crash_signal ../../gcc/toplev.c:327 0x97490e1 rtl_ssa::full_register(unsigned int) ../../gcc/rtl-ssa/access-utils.h:26 0x97490e1 rtl_ssa::function_info::add_entry_block_defs(rtl_ssa::function_info::build_info&) ../../gcc/rtl-ssa/blocks.cc:508 0x974bbfe rtl_ssa::function_info::process_all_blocks() ../../gcc/rtl-ssa/blocks.cc:1058 0x96cc708 rtl_ssa::function_info::function_info(function*) ../../gcc/rtl-ssa/functions.cc:49 0x95a834a fwprop_init ../../gcc/fwprop.c:881 0x95a834a fwprop ../../gcc/fwprop.c:951 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. compiler exited with status 1 FAIL: gcc.dg/long_branch.c (internal compiler error) FAIL: gcc.dg/long_branch.c (test for excess errors) It didn't fail 2 days ago, I suspect the RTL SSA changes.