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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/98578] New: [11 Regression] ICE in print_mem_ref since r11-6508-gabb1b6058c09a7c0 Date: Thu, 07 Jan 2021 08:42:07 +0000 [thread overview] Message-ID: <bug-98578-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98578 Bug ID: 98578 Summary: [11 Regression] ICE in print_mem_ref since r11-6508-gabb1b6058c09a7c0 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: msebor at gcc dot gnu.org Target Milestone: --- The following fails: $ cat vla.c int test3_size, test3_arr_2; void test3() { int vla_arr[test3_size]; test3_arr_2 = vla_arr[1]; } $ gcc vla.c -Wuninitialized -c ‘ during GIMPLE pass: *early_warn_uninitialized In function ‘test3’: tree check: expected integer_cst, have var_decl in get_len, at tree.h:6024 6 | } | ^ 0x75c603 tree_check_failed(tree_node const*, char const*, int, char const*, ...) /home/marxin/Programming/gcc/gcc/tree.c:9810 0x646097 tree_check(tree_node const*, char const*, int, char const*, tree_code) /home/marxin/Programming/gcc/gcc/tree.h:3594 0x646097 wi::extended_tree<128>::get_len() const /home/marxin/Programming/gcc/gcc/tree.h:6024 0x646097 wi::int_traits<generic_wide_int<wi::extended_tree<128> > >::decompose(long*, unsigned int, generic_wide_int<wi::extended_tree<128> > const&) /home/marxin/Programming/gcc/gcc/wide-int.h:985 0x646097 wide_int_ref_storage<true, false>::wide_int_ref_storage<generic_wide_int<wi::extended_tree<128> > >(generic_wide_int<wi::extended_tree<128> > const&, unsigned int) /home/marxin/Programming/gcc/gcc/wide-int.h:1034 0x646097 generic_wide_int<wide_int_ref_storage<true, false> >::generic_wide_int<generic_wide_int<wi::extended_tree<128> > >(generic_wide_int<wi::extended_tree<128> > const&, unsigned int) /home/marxin/Programming/gcc/gcc/wide-int.h:790 0x646097 fixed_wide_int_storage<128>::fixed_wide_int_storage<generic_wide_int<wi::extended_tree<128> > >(generic_wide_int<wi::extended_tree<128> > const&) /home/marxin/Programming/gcc/gcc/wide-int.h:1262 0x646097 generic_wide_int<fixed_wide_int_storage<128> >::generic_wide_int<generic_wide_int<wi::extended_tree<128> > >(generic_wide_int<wi::extended_tree<128> > const&) /home/marxin/Programming/gcc/gcc/wide-int.h:782 0x646097 print_mem_ref /home/marxin/Programming/gcc/gcc/c-family/c-pretty-print.c:1857 0x902fbe c_pretty_printer::postfix_expression(tree_node*) /home/marxin/Programming/gcc/gcc/c-family/c-pretty-print.c:1587 0x868ecd c_tree_printer /home/marxin/Programming/gcc/gcc/c/c-objc-common.c:317 0x868ecd c_tree_printer /home/marxin/Programming/gcc/gcc/c/c-objc-common.c:254 0x197808c pp_format(pretty_printer*, text_info*) /home/marxin/Programming/gcc/gcc/pretty-print.c:1475 0x195bee6 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*) /home/marxin/Programming/gcc/gcc/diagnostic.c:1216 0x195e448 diagnostic_impl /home/marxin/Programming/gcc/gcc/diagnostic.c:1366 0x195e448 warning_at(unsigned int, int, char const*, ...) /home/marxin/Programming/gcc/gcc/diagnostic.c:1503 0x1021ca6 maybe_warn_operand /home/marxin/Programming/gcc/gcc/tree-ssa-uninit.c:418 0x10250cf warn_uninitialized_vars /home/marxin/Programming/gcc/gcc/tree-ssa-uninit.c:657 0x1025370 execute_early_warn_uninitialized /home/marxin/Programming/gcc/gcc/tree-ssa-uninit.c:3089 0x1025370 execute /home/marxin/Programming/gcc/gcc/tree-ssa-uninit.c:3124 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.
next reply other threads:[~2021-01-07 8:42 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-07 8:42 marxin at gcc dot gnu.org [this message] 2021-01-07 8:42 ` [Bug tree-optimization/98578] " marxin at gcc dot gnu.org 2021-01-07 19:29 ` msebor at gcc dot gnu.org 2021-01-07 21:23 ` cvs-commit at gcc dot gnu.org 2021-01-07 21:30 ` msebor at gcc dot gnu.org
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