From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id DD4803858C53; Sun, 28 Aug 2022 15:10:08 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DD4803858C53 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1661699408; bh=Xhf0+qJ43GdcXgN1aXZkqKzr9YNtMjKyTT4w8+FTMco=; h=From:To:Subject:Date:From; b=H1GbcOH0Bic2MYpwUquwzpMArhtSWon0aZOBC08dHHmYbwUCjjcs30negyYQ4iHTw oBmflQbibTs3BgZY+0I4WTzRR70op2jOmm7CIuzw48HtTd+3Xwcsd1nWuujJz3KpcZ hd3DHKrW06fzeJUURSKYpS+KWVHYEZTxQ/jt1VHk= From: "k.even-mendoza at imperial dot ac.uk" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/106764] New: ICE on invalid code in tree check: expected function_type or method_type, have error_mark in gimplify_call_expr, at gimplify.cc Date: Sun, 28 Aug 2022 15:10:08 +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: k.even-mendoza at imperial dot ac.uk 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106764 Bug ID: 106764 Summary: ICE on invalid code in tree check: expected function_type or method_type, have error_mark in gimplify_call_expr, at gimplify.cc Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: k.even-mendoza at imperial dot ac.uk Target Milestone: --- This code leads to ICE in GCC-12 and 13: =3D=3D=3D (*a)(); b(){a()} a; =3D=3D=3D We are doing a study about compiler fuzzers. We got this from one of the to= ols. I wonder if such a bug is interesting even if the program is chopped in the middle? 1/1934d6e2aee70d21f4a7d16c0d1ff2867764c085.c: In function 'b': 1/1934d6e2aee70d21f4a7d16c0d1ff2867764c085.c:2:5: internal compiler error: = tree check: expected function_type or method_type, have error_mark in gimplify_call_expr, at gimplify.cc:3681 2 | b(){a()} a; | ^~~ 0x7ee3f2 tree_check_failed(tree_node const*, char const*, int, char const*, ...) .././../gcc-source/gcc/tree.cc:8817 0x72df76 tree_check2(tree_node*, char const*, int, char const*, tree_code, tree_code) .././../gcc-source/gcc/tree.h:3527 0x72df76 gimplify_call_expr .././../gcc-source/gcc/gimplify.cc:3681 0xc3efa5 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) .././../gcc-source/gcc/gimplify.cc:15178 0xc426e6 gimplify_stmt(tree_node**, gimple**) .././../gcc-source/gcc/gimplify.cc:7153 0xc42ea5 gimplify_bind_expr .././../gcc-source/gcc/gimplify.cc:1434 0xc3f176 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) .././../gcc-source/gcc/gimplify.cc:15407 0xc50fbf gimplify_stmt(tree_node**, gimple**) .././../gcc-source/gcc/gimplify.cc:7153 0xc50fbf gimplify_body(tree_node*, bool) .././../gcc-source/gcc/gimplify.cc:16463 0xc5140b gimplify_function_tree(tree_node*) .././../gcc-source/gcc/gimplify.cc:16662 0xa7d1b7 cgraph_node::analyze() .././../gcc-source/gcc/cgraphunit.cc:676 0xa7fc87 analyze_functions .././../gcc-source/gcc/cgraphunit.cc:1240 0xa8095d symbol_table::finalize_compilation_unit() .././../gcc-source/gcc/cgraphunit.cc:2500 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See for instructions. user42@srg01:~/git/directed-compiler-fuzzing-code/scripts/8-crash-testing/r= educe$ more 1/1934d6e2aee70d21f4a7d16c0d1ff2867764c085.c=