https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838
--- Comment #7 from Dominik Vogt <vogt at linux dot vnet.ibm.com> --- With the patch I get an Ice with -m31: spawn -ignore SIGHUP .../build/gcc/xgcc -B.../build/gcc/ .../gcc/testsuite/gcc.dg/graphite/id-pr45230-1.c -fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -fgraphite-identity -ffast-math -S -m31 -o id-pr45230-1.s^M .../gcc/testsuite/gcc.dg/graphite/id-pr45230-1.c: In function 'main':^M /home/vogt/src/git/gcc/gcc/testsuite/gcc.dg/graphite/id-pr45230-1.c:45:1: internal compiler error: Segmentation fault^M 0x806199b9 crash_signal^M ../../gcc/toplev.c:335^M 0x80a55d06 translate_isl_ast_to_gimple::collect_all_ssa_names(tree_node*, vec<t\ ree_node*, va_heap, vl_ptr>*)^M ../../gcc/graphite-isl-ast-to-gimple.c:1408^M 0x80a55d51 translate_isl_ast_to_gimple::collect_all_ssa_names(tree_node*, vec<t\ ree_node*, va_heap, vl_ptr>*)^M ../../gcc/graphite-isl-ast-to-gimple.c:1418^M 0x80a55d51 translate_isl_ast_to_gimple::collect_all_ssa_names(tree_node*, vec<t\ ree_node*, va_heap, vl_ptr>*)^M ../../gcc/graphite-isl-ast-to-gimple.c:1418^M 0x80a55d51 translate_isl_ast_to_gimple::collect_all_ssa_names(tree_node*, vec<t\ ree_node*, va_heap, vl_ptr>*)^M ../../gcc/graphite-isl-ast-to-gimple.c:1418^M 0x80a5748b translate_isl_ast_to_gimple::rename_all_uses(tree_node*, basic_block\ _def*, basic_block_def*)^M ../../gcc/graphite-isl-ast-to-gimple.c:1569^M 0x80a57631 translate_isl_ast_to_gimple::get_rename_from_scev(tree_node*, gimple\ **, loop*, basic_block_def*, basic_block_def*, vec<tree_node*, va_heap, vl_ptr>\ )^M ../../gcc/graphite-isl-ast-to-gimple.c:1623^M 0x80a597a1 translate_isl_ast_to_gimple::rename_uses(gimple*, gimple_stmt_iterat\ or*, basic_block_def*, loop*, vec<tree_node*, va_heap, vl_ptr>)^M ../../gcc/graphite-isl-ast-to-gimple.c:1730^M 0x80a5b06d translate_isl_ast_to_gimple::graphite_copy_stmts_from_block(basic_b\ lock_def*, basic_block_def*, vec<tree_node*, va_heap, vl_ptr>)^M ../../gcc/graphite-isl-ast-to-gimple.c:2596^M 0x80a5b5eb translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences(basic_bl\ ock_def*, edge_def*, vec<tree_node*, va_heap, vl_ptr>)^M ../../gcc/graphite-isl-ast-to-gimple.c:2809^M 0x80a5bbf5 translate_isl_ast_to_gimple::translate_isl_ast_node_user(isl_ast_nod\ e*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::allocator\ <std::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:935^M 0x80a5bf95 translate_isl_ast_to_gimple::translate_isl_ast_for_loop(loop*, isl_a\ st_node*, edge_def*, tree_node*, tree_node*, tree_node*, std::map<isl_id*, tree\ _node*, std::less<isl_id*>, std::allocator<std::pair<isl_id* const, tree_node*>\ > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:685^M 0x80a5c217 translate_isl_ast_to_gimple::translate_isl_ast_node_for(loop*, isl_a\ st_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::all\ ocator<std::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:854^M 0x80a5beb1 translate_isl_ast_to_gimple::translate_isl_ast(loop*, isl_ast_node*,\ edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::allocator<st\ d::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:1032^M 0x80a5c359 translate_isl_ast_to_gimple::translate_isl_ast_node_block(loop*, isl\ _ast_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::a\ llocator<std::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:964^M 0x80a5be69 translate_isl_ast_to_gimple::translate_isl_ast(loop*, isl_ast_node*,\ edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::allocator<st\ d::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:1043^M 0x80a5c359 translate_isl_ast_to_gimple::translate_isl_ast_node_block(loop*, isl\ _ast_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::a\ llocator<std::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:964^M 0x80a5be69 translate_isl_ast_to_gimple::translate_isl_ast(loop*, isl_ast_node*,\ edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::allocator<st\ d::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:1043^M 0x80a5c359 translate_isl_ast_to_gimple::translate_isl_ast_node_block(loop*, isl\ _ast_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::a\ llocator<std::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:964^M 0x80a5be69 translate_isl_ast_to_gimple::translate_isl_ast(loop*, isl_ast_node*,\ edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>, std::allocator<st\ d::pair<isl_id* const, tree_node*> > >&)^M ../../gcc/graphite-isl-ast-to-gimple.c:1043^M