https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106481
Bug ID: 106481 Summary: [13 Regression] ICE: in native_encode_rtx, at simplify-rtx.cc:6884 with -O2 -fno-dce -fno-forward-propagate -fno-rerun-cse-after-loop Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 53387 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53387&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -fno-dce -fno-forward-propagate -fno-rerun-cse-after-loop testcase.c -Wno-psabi testcase.c:13:1: internal compiler error: in native_encode_rtx, at simplify-rtx.cc:6884 13 | } | ^ 0x7857b6 native_encode_rtx(machine_mode, rtx_def*, vec<unsigned char, va_heap, vl_ptr>&, unsigned int, unsigned int) /repo/gcc-trunk/gcc/simplify-rtx.cc:6884 0x16f2feb optimize_constant_pool /repo/gcc-trunk/gcc/varasm.cc:4437 0x16fcbff output_shared_constant_pool() /repo/gcc-trunk/gcc/varasm.cc:4544 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-r13-1895-20220729130134-g6e0ca3fe88d-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/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-r13-1895-20220729130134-g6e0ca3fe88d-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20220729 (experimental) (GCC)