https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92945
--- Comment #1 from Sergei Trofimovich <slyfox at inbox dot ru> --- The crash happens somewhere in internals of isl-0.22: Thread 2.1 "f951" received signal SIGSEGV, Segmentation fault. [Switching to process 1919154] 0x00007ffff7e50a74 in isl_basic_map_underlying_set () from /usr/lib64/libisl.so.22 (gdb) bt #0 0x00007ffff7e50a74 in isl_basic_map_underlying_set () from /usr/lib64/libisl.so.22 #1 0x00007ffff7e56431 in isl_basic_map_is_empty () from /usr/lib64/libisl.so.22 #2 0x00007ffff7e578da in ?? () from /usr/lib64/libisl.so.22 #3 0x00007ffff7e2ede3 in ?? () from /usr/lib64/libisl.so.22 #4 0x00007ffff7e3115c in ?? () from /usr/lib64/libisl.so.22 #5 0x00007ffff7e326ac in isl_union_access_info_compute_flow () from /usr/lib64/libisl.so.22 #6 0x00000000017b5b9e in scop_get_dependences(scop*) () #7 0x00000000017b603b in apply_poly_transforms(scop*) () #8 0x00000000017b02d2 in graphite_transform_loops() () #9 0x00000000017b0809 in (anonymous namespace)::pass_graphite_transforms::execute(function*) () #10 0x0000000000c0caed in execute_one_pass(opt_pass*) () #11 0x0000000000c0d50f in execute_pass_list_1(opt_pass*) () #12 0x0000000000c0d521 in execute_pass_list_1(opt_pass*) () #13 0x0000000000c0d521 in execute_pass_list_1(opt_pass*) () #14 0x0000000000c0d521 in execute_pass_list_1(opt_pass*) () #15 0x0000000000c0d53a in execute_pass_list(function*, opt_pass*) () #16 0x000000000080d779 in cgraph_node::expand() () #17 0x000000000080f2c2 in symbol_table::compile() () #18 0x00000000008117ba in symbol_table::finalize_compilation_unit() () #19 0x0000000000cfab26 in compile_file() () #20 0x0000000000cfd784 in toplev::main(int, char**) () #21 0x00000000018f083c in main ()
