https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111702
Bug ID: 111702 Summary: [14 Regression] ICE: in insert_regs, at cse.cc:1114 with -O2 -fstack-protector-all -frounding-math Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: aarch64-unknown-linux-gnu Created attachment 56055 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56055&action=edit reduced testcase Compiler output: $ aarch64-unknown-linux-gnu-gcc -O2 -fstack-protector-all -frounding-math testcase.c -w during RTL pass: cse2 testcase.c: In function 'foo': testcase.c:108:1: internal compiler error: in insert_regs, at cse.cc:1114 108 | } | ^ 0xb01a00 insert_regs /repo/gcc-trunk/gcc/cse.cc:1114 0x1e0237e merge_equiv_classes /repo/gcc-trunk/gcc/cse.cc:1758 0x1e08d85 cse_insn /repo/gcc-trunk/gcc/cse.cc:4780 0x1e0ca53 cse_extended_basic_block /repo/gcc-trunk/gcc/cse.cc:6557 0x1e0ca53 cse_main /repo/gcc-trunk/gcc/cse.cc:6702 0x1e0d470 rest_of_handle_cse2 /repo/gcc-trunk/gcc/cse.cc:7600 0x1e0d470 execute /repo/gcc-trunk/gcc/cse.cc:7655 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. $ aarch64-unknown-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-aarch64/bin/aarch64-unknown-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-4413-20231005141000-g1f7295af602-checking-yes-rtl-df-extra-aarch64/bin/../libexec/gcc/aarch64-unknown-linux-gnu/14.0.0/lto-wrapper Target: aarch64-unknown-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 --with-sysroot=/usr/aarch64-unknown-linux-gnu --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=aarch64-unknown-linux-gnu --with-ld=/usr/bin/aarch64-unknown-linux-gnu-ld --with-as=/usr/bin/aarch64-unknown-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r14-4413-20231005141000-g1f7295af602-checking-yes-rtl-df-extra-aarch64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.0 20231005 (experimental) (GCC)