https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109695
Bug ID: 109695 Summary: crash in gimple_ranger::range_of_expr Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Created attachment 54966 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54966&action=edit gzipped C++ source code The attached C++ code does this when compiled by today's gcc: $ ~/gcc/results.20230502.asan.ubsan/bin/gcc -c -w bug914.cc gcc: internal compiler error: Segmentation fault signal terminated program cc1plus Please submit a full bug report, with preprocessed source (by using -freport-bug). See <https://gcc.gnu.org/bugs/> for instructions. $ It was fine yesterday: $ ~/gcc/results.20230501.asan.ubsan/bin/gcc -c -w bug914.cc $ Here is a stack backtrace of the crash: #0 0x0000000001f5328b in gimple_ranger::range_of_expr (this=0x36e4d50, r=..., expr=0x7fffe0369990, stmt=0x7fffe8cd6688) at ../../trunk.year/gcc/gimple-range.cc:87 #1 0x0000000001f62f96 in fold_using_range::range_of_range_op ( this=this@entry=0x7ffffc01e100, r=..., handler=..., src=...) at ../../trunk.year/gcc/gimple-range-fold.cc:559 #2 0x0000000001f61d4e in fold_using_range::fold_stmt (this=0x7ffffc01e100, r=..., s=0x7fffe8cd6688, src=..., name=0x7fffe0369cf0) at ../../trunk.year/gcc/gimple-range-fold.cc:490 #3 0x0000000001f54220 in gimple_ranger::fold_range_internal (this=0x36e4d50, r=..., s=0x7fffe8cd6688, name=<optimized out>) at ../../trunk.year/gcc/gimple-range.cc:257