https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94443
--- Comment #13 from Kewen Lin <linkw at gcc dot gnu.org> --- (In reply to Khem Raj from comment #11) > this patch seems to be causing gcc ICE on ARM when compiling lz4 sources in > kernel, lz4, vlc almost identical ICE is seen > > attached is the test case please compile it with -O3 > > during GIMPLE pass: vect > lz4.c: In function 'LZ4_compress_fast_extState': > lz4.c:1180:5: internal compiler error: Segmentation fault > 1180 | int LZ4_compress_fast_extState(void* state, const char* source, > char* dest, int inputSize, int maxOutputSize, int acceleration) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > Please submit a full bug report, Same symptom: for SSA_NAME: _1689 in statement: op_1747 = _1689; during GIMPLE pass: vect lz4.c:1180:5: internal compiler error: verify_ssa failed 0x100d0ab verify_ssa(bool, bool) Verified it can be fixed with posted patch in gcc-patch ML: https://gcc.gnu.org/pipermail/gcc-patches/2020-April/543137.html
