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From: "nightstrike at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/108942] New: ICE in build2, at tree.c: 5096 for
 gcc/testsuite/gcc.dg/torture/ssa-fre-7.c:23:3
Date: Mon, 27 Feb 2023 09:40:25 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108942

            Bug ID: 108942
           Summary: ICE in build2, at tree.c: 5096 for
                    gcc/testsuite/gcc.dg/torture/ssa-fre-7.c:23:3
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: nightstrike at gmail dot com
  Target Milestone: ---

Created attachment 54541
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D54541&action=3Dedit
preprocessed source from -freport-bug

The gcc.dg/torture/ssa-fre-7.c tests fail with the following backtrace:

0x844e1f build2(tree_code, tree_node*, tree_node*, tree_node*)
        ../../gcc/tree.cc:5096
0x9a26d7 build2_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
        ../../gcc/tree.h:4604
0x9a26d7 c_parser_gimple_binary_expression
        ../../gcc/c/gimple-parser.cc:1027
0x9a38ce c_parser_gimple_statement
        ../../gcc/c/gimple-parser.cc:873
0x9a38ce c_parser_gimple_compound_statement
        ../../gcc/c/gimple-parser.cc:664
0x9a5c11 c_parser_parse_gimple_body(c_parser*, char*, c_declspec_il,
profile_count)
        ../../gcc/c/gimple-parser.cc:253
0x9954a6 c_parser_declaration_or_fndef
        ../../gcc/c/c-parser.cc:2835
0x99c6fb c_parser_external_declaration
        ../../gcc/c/c-parser.cc:1925
0x99d0d3 c_parser_translation_unit
        ../../gcc/c/c-parser.cc:1779
0x99d0d3 c_parse_file()
        ../../gcc/c/c-parser.cc:24632
0xa088e1 c_common_parse_file()
        ../../gcc/c-family/c-opts.cc:1248

This is in a linux to 64-bit windows cross compiler environment.  Output of
-freport-bug added as an attachment.

For this version of the repository (commit
e6d39f68d03c46637ca6e1bede3d28eae6278df3), line 23 is:

  p_4 =3D _Literal (int *) &x + _2;=