https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113736
Bug ID: 113736 Summary: ICE: verify_gimple failed: incompatible types in 'PHI' argument 0 with _BitInt() struct copy to __seg_fs/gs 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 Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 57303 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57303&action=edit reduced testcase (from gcc.target/i386/pr90856.c) Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 testcase.c testcase.c: In function 'clearS2_n': testcase.c:12:1: error: incompatible types in 'PHI' argument 0 12 | clearS2_n (__seg_gs S2 *p) | ^~~~~~~~~ vector(2) unsigned long * {ref-all} <address-space-2> struct S2 * vectp_p.4_14 = PHI <p_2(D)(2), vectp_p.4_15(5)> during GIMPLE pass: vect testcase.c:12:1: internal compiler error: verify_gimple failed 0x1567165 verify_gimple_in_cfg(function*, bool, bool) /repo/gcc-trunk/gcc/tree-cfg.cc:5666 0x13cf7e4 execute_function_todo /repo/gcc-trunk/gcc/passes.cc:2088 0x13cfd3e execute_todo /repo/gcc-trunk/gcc/passes.cc:2142 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)