https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113315
--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> --- Created attachment 57029 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57029&action=edit probably related testcase, ICEing elsewhere at -O1 Compiler output with the other testcase at -O1: $ x86_64-pc-linux-gnu-gcc -O testcase2.c during GIMPLE pass: ccp testcase2.c: In function 'foo': testcase2.c:8:1: internal compiler error: in extended_tree, at tree.h:6449 8 | } | ^ 0xf083fe wi::extended_tree<128>::extended_tree(tree_node const*) /repo/gcc-trunk/gcc/tree.h:6449 0xf083fe wi::extended_tree<128>::extended_tree(tree_node const*) /repo/gcc-trunk/gcc/tree.h:6446 0x1164b80 generic_wide_int<wi::extended_tree<128> >::generic_wide_int<tree_node const*>(tree_node const* const&) /repo/gcc-trunk/gcc/wide-int.h:847 0x1164b80 poly_int<1u, generic_wide_int<wi::extended_tree<128> > >::poly_int<tree_node const*>(poly_int_full, tree_node const* const&) /repo/gcc-trunk/gcc/poly-int.h:467 0x1164b80 poly_int<1u, generic_wide_int<wi::extended_tree<128> > >::poly_int<tree_node const*>(tree_node const* const&) /repo/gcc-trunk/gcc/poly-int.h:453 0x1164b80 wi::to_poly_offset(tree_node const*) /repo/gcc-trunk/gcc/tree.h:6549 0x1164b80 fold_const_aggregate_ref_1(tree_node*, tree_node* (*)(tree_node*)) /repo/gcc-trunk/gcc/gimple-fold.cc:8358 0x1165c34 gimple_fold_stmt_to_constant_1(gimple*, tree_node* (*)(tree_node*), tree_node* (*)(tree_node*)) /repo/gcc-trunk/gcc/gimple-fold.cc:7670 0x162f8ae ccp_fold /repo/gcc-trunk/gcc/tree-ssa-ccp.cc:1288 0x162f8ae evaluate_stmt /repo/gcc-trunk/gcc/tree-ssa-ccp.cc:2226 0x1631faf visit_assignment /repo/gcc-trunk/gcc/tree-ssa-ccp.cc:2861 0x16ee563 ssa_propagation_engine::simulate_stmt(gimple*) /repo/gcc-trunk/gcc/tree-ssa-propagate.cc:221 0x16ee83a ssa_propagation_engine::simulate_block(basic_block_def*) /repo/gcc-trunk/gcc/tree-ssa-propagate.cc:328 0x16eed73 ssa_propagation_engine::ssa_propagate() /repo/gcc-trunk/gcc/tree-ssa-propagate.cc:478 0x1627509 do_ssa_ccp /repo/gcc-trunk/gcc/tree-ssa-ccp.cc:2980 0x1627509 execute /repo/gcc-trunk/gcc/tree-ssa-ccp.cc:3026 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.
