From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 01560394FC38; Tue, 1 Jun 2021 11:01:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 01560394FC38 From: "iii at linux dot ibm.com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/100853] New: internal compiler error: in cp_tree_equal, at cp/tree.c:4148 Date: Tue, 01 Jun 2021 11:01:51 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: iii at linux dot ibm.com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Jun 2021 11:01:52 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100853 Bug ID: 100853 Summary: internal compiler error: in cp_tree_equal, at cp/tree.c:4148 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: iii at linux dot ibm.com Target Milestone: --- $ cat cp-tree-equal.cpp=20 typedef struct a *b; template struct c { d({ b *e; __typeof (*({ __typeof *e f; f} )).g const f (({ __typeof (*({ int h; f} )).g const f ( $ gcc/cc1plus -fno-PIE -g -O2 -fno-checking -gtoggle -DIN_GCC=20=20=20=20 -fno-exceptions -fno-rtti -fasynchronous-unwind-tables cp-tree-equal.cpp ... cp-tree-equal.cpp:8:37: internal compiler error: in cp_tree_equal, at cp/tree.c:4148 8 | f} )).g const f ( | ^ 0x7062e9 cp_tree_equal(tree_node*, tree_node*) ../../gcc/cp/tree.c:4148 0xbd1d3e cp_tree_equal(tree_node*, tree_node*) ../../gcc/cp/tree.c:4138 0xbd1d3e cp_tree_equal(tree_node*, tree_node*) ../../gcc/cp/tree.c:4138 0xbd1d3e cp_tree_equal(tree_node*, tree_node*) ../../gcc/cp/tree.c:4138 0xbd1d3e cp_tree_equal(tree_node*, tree_node*) ../../gcc/cp/tree.c:4138 0xbdc784 structural_comptypes ../../gcc/cp/typeck.c:1491 0xae2ffc check_local_shadow ../../gcc/cp/name-lookup.c:3264 0xae2ffc do_pushdecl ../../gcc/cp/name-lookup.c:3773 0xae39b4 pushdecl(tree_node*, bool) ../../gcc/cp/name-lookup.c:3852 0xa3995e start_decl(cp_declarator const*, cp_decl_specifier_seq*, int, tree_node*, tree_node*, tree_node**) ../../gcc/cp/decl.c:5591 0xb2dd61 cp_parser_init_declarator ../../gcc/cp/parser.c:21802 0xb093cd cp_parser_simple_declaration ../../gcc/cp/parser.c:14487 0xb0b0a9 cp_parser_declaration_statement ../../gcc/cp/parser.c:13622 0xb0bc0b cp_parser_statement ../../gcc/cp/parser.c:11848 0xb0ce0e cp_parser_statement_seq_opt ../../gcc/cp/parser.c:12215 0xb0cee8 cp_parser_compound_statement ../../gcc/cp/parser.c:12164 0xb10473 cp_parser_statement_expr ../../gcc/cp/parser.c:5142 0xb10473 cp_parser_primary_expression ../../gcc/cp/parser.c:5549 0xb11b80 cp_parser_postfix_expression ../../gcc/cp/parser.c:7528 0xb243af cp_parser_unary_expression ../../gcc/cp/parser.c:8849 Found when reducing a testcase for another problem.=