https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102960
Bug ID: 102960 Summary: ICE: in sign_mask, at wide-int.h:855 in GCC 10.3.0 Product: gcc Version: 10.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: pnarsing at mathworks dot com Target Milestone: --- Created attachment 51675 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51675&action=edit preprocessed output of cpp file causing ice On compiling cpp file with -Og flag I'm getting ICE coming from wide-int.h Attaching preprocessed file with this bug report . To reproduce the issue g++ -c RangeDisplay.cpp -Og Stack for ICE : internal compiler error: in sign_mask, at wide-int.h:855 89 | char const* RangeDisplay::toString(StringBuffer& aStringBuffer) const { | ^~~~~~~~~~~~ 0x5ea99c generic_wide_int<wide_int_ref_storage<true, false> >::sign_mask() const /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/wide-int.h:855 0x6488cd generic_wide_int<wide_int_ref_storage<true, false> >::sign_mask() const /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/wide-int.h:1898 0x6488cd bool wi::neg_p<generic_wide_int<wide_int_ref_storage<true, false> > >(generic_wide_int<wide_int_ref_storage<true, false> > const&, signop) /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/wide-int.h:1836 0x6488cd bool wi::lts_p<generic_wide_int<wi::extended_tree<192> >, generic_wide_int<wi::extended_tree<192> > >(generic_wide_int<wi::extended_tree<192> > const&, generic_wide_int<wi::extended_tree<192> > const&) /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/wide-int.h:1914 0xdda1ad wi::binary_traits<generic_wide_int<wi::extended_tree<192> >, generic_wide_int<wi::extended_tree<192> >, wi::int_traits<generic_wide_int<wi::extended_tree<192> > >::precision_type, wi::int_traits<generic_wide_int<wi::extended_tree<192> > >::precision_type>::signed_predicate_result operator< <generic_wide_int<wi::extended_tree<192> >, generic_wide_int<wi::extended_tree<192> > >(generic_wide_int<wi::extended_tree<192> > const&, generic_wide_int<wi::extended_tree<192> > const&) /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/wide-int.h:3248 0xdda1ad tree_int_cst_lt(tree_node const*, tree_node const*) /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/tree.h:6105 0xdda1ad get_range_strlen_dynamic /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/tree-ssa-strlen.c:1067 0xdda591 get_range_strlen_dynamic(tree_node*, c_strlen_data*, vr_values const*) /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/tree-ssa-strlen.c:1211 0x1447d13 get_string_length /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/gimple-ssa-sprintf.c:2029 0x1447d13 format_string /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/gimple-ssa-sprintf.c:2466 0x1449a98 format_directive /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/gimple-ssa-sprintf.c:3059 0x1449a98 compute_format_length /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/gimple-ssa-sprintf.c:4002 0x1449a98 handle_printf_call(gimple_stmt_iterator*, vr_values const*) /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/gimple-ssa-sprintf.c:4683 0xde0fab strlen_check_and_optimize_call /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/tree-ssa-strlen.c:5463 0xde0fab check_and_optimize_stmt /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/tree-ssa-strlen.c:5631 0xde0fab strlen_dom_walker::before_dom_children(basic_block_def*) /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/tree-ssa-strlen.c:5864 0x140c237 dom_walker::walk(basic_block_def*) /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/domwalk.c:309 0xdd7e2e printf_strlen_execute /mathworks/devel/sandbox/pnarsing/3p-internal-AH3/3p/sources/gcc-10.3/gcc/tree-ssa-strlen.c:5930 Please submit a full bug report, with preprocessed source if appropriate.