https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113735
Bug ID: 113735 Summary: ICE: in operator[], at vec.h:910 with _BitInt() at -O and above Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: jakub at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 57302 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57302&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O testcase.c during GIMPLE pass: bitintlower testcase.c: In function 'foo': testcase.c:4:1: internal compiler error: in operator[], at vec.h:910 4 | foo (_BitInt(6110) j) | ^~~ 0x8a2ed8 vec<tree_node*, va_gc, vl_embed>::operator[](unsigned int) /repo/gcc-trunk/gcc/vec.h:910 0x8a30be vec<equiv_chain*, va_heap, vl_embed>::operator[](unsigned int) /repo/gcc-trunk/gcc/value-relation.cc:736 0x8a30be vec<equiv_chain*, va_heap, vl_ptr>::operator[](unsigned int) /repo/gcc-trunk/gcc/vec.h:1599 0x8a30be equiv_oracle::add_equiv_to_block(basic_block_def*, bitmap_head*) /repo/gcc-trunk/gcc/value-relation.cc:721 0x1868312 equiv_oracle::register_relation(basic_block_def*, relation_kind_t, tree_node*, tree_node*) /repo/gcc-trunk/gcc/value-relation.cc:675 0x2741a67 fold_using_range::range_of_phi(vrange&, gphi*, fur_source&) /repo/gcc-trunk/gcc/gimple-range-fold.cc:932 0x27458f0 fold_using_range::fold_stmt(vrange&, gimple*, fur_source&, tree_node*) /repo/gcc-trunk/gcc/gimple-range-fold.cc:604 0x272c929 gimple_ranger::fold_range_internal(vrange&, gimple*, tree_node*) /repo/gcc-trunk/gcc/gimple-range.cc:265 0x272c929 gimple_ranger::prefill_stmt_dependencies(tree_node*) /repo/gcc-trunk/gcc/gimple-range.cc:404 0x272d9ca gimple_ranger::range_of_stmt(vrange&, gimple*, tree_node*) /repo/gcc-trunk/gcc/gimple-range.cc:322 0x27315aa gimple_ranger::range_of_expr(vrange&, tree_node*, gimple*) /repo/gcc-trunk/gcc/gimple-range.cc:134 0x27077e2 range_to_prec /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:2008 0x270c7e0 handle_operand_addr /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:2211 0x270cbe7 lower_muldiv_stmt /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:3403 0x2720eb9 gimple_lower_bitint /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:6575 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-8771-20240203001826-g4b7d4d8a4af-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra --with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld --with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r14-8771-20240203001826-g4b7d4d8a4af-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240203 (experimental) (GCC)