https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114157
Bug ID: 114157 Summary: during GIMPLE pass: bitintlower ICE: in lower_stmt, at gimple-lower-bitint.cc:5561 with -O with _BitInt(256) / vector memmove Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: middle-end 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 57570 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57570&action=edit reduced testcase This happens even after the PR113988 fix. I don't know how much is this related to PR114156. Compiler output: $ x86_64-pc-linux-gnu-gcc -O testcase.c -Wno-psabi during GIMPLE pass: bitintlower testcase.c: In function 'foo': testcase.c:4:1: internal compiler error: in lower_stmt, at gimple-lower-bitint.cc:5561 4 | foo (__attribute__((__vector_size__ (64))) long s) | ^~~ 0xd79d8e lower_stmt /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:5561 0x269e129 gimple_lower_bitint /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:6759 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-r14-9216-20240228150317-g5c01ede02a1-checking-yes-rtl-df-extra-nobootstrap-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 --disable-bootstrap --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-r14-9216-20240228150317-g5c01ede02a1-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240228 (experimental) (GCC)