From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E70223857835; Mon, 30 Nov 2020 09:03:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E70223857835 From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/98054] [11 Regression] ICE: in pp_cxx_trait_expression, at cp/cxx-pretty-print.c:2671 since r11-4386-g9e2256dcd481ffe3 Date: Mon, 30 Nov 2020 09:03:00 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cf_known_to_fail short_desc cc Message-ID: In-Reply-To: References: 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: Mon, 30 Nov 2020 09:03:01 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98054 Martin Li=C5=A1ka changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail| |11.0 Summary|[11 Regression] ICE: in |[11 Regression] ICE: in |pp_cxx_trait_expression, at |pp_cxx_trait_expression, at |cp/cxx-pretty-print.c:2671 |cp/cxx-pretty-print.c:2671 | |since | |r11-4386-g9e2256dcd481ffe3 CC| |ville.voutilainen at gmail= dot com --- Comment #2 from Martin Li=C5=A1ka --- Started with r11-4386-g9e2256dcd481ffe3, before the revision it was rejecte= d. Reduced test-case: $ cat polymorphicsmallobjecttest.cc.ii struct integral_constant {}; template using __bool_constant =3D integral_constant; template using __is_nothrow_assignable_impl =3D __bool_constant<__is_nothrow_assignable(_Tp, _Up)>; template struct __is_nt_move_assignable_impl : __is_nothrow_assignable_impl<_Tp, _Tp> {}; template struct aligned_storage { struct type { char __data[_Len]; }; }; template using aligned_storage_t =3D typename aligned_storage<_Len>::type; template class PolymorphicSmallObject { aligned_storage_t buffer_; }; template void test() { __is_nt_move_assignable_impl value;= } int main() { test>; return 0; } $ g++ polymorphicsmallobjecttest.cc.ii -c $ g++ polymorphicsmallobjecttest.cc.ii -c -pedantic =E2=80=98 polymorphicsmallobjecttest.cc.ii: In instantiation of =E2=80=98struct aligned_storage<0>::type=E2=80=99: polymorphicsmallobjecttest.cc.ii:16:33: required from =E2=80=98class PolymorphicSmallObject<0>=E2=80=99 polymorphicsmallobjecttest.cc.ii:5:21: in pp_cxx_trait_expression, at cp/cxx-pretty-print.c:2671 10 | char __data[_Len]; | ^~~~~~ 0x65210c pp_cxx_trait_expression(cxx_pretty_printer*, tree_node*) /home/marxin/Programming/gcc/gcc/cp/cxx-pretty-print.c:2671 0x9949ea dump_template_parms /home/marxin/Programming/gcc/gcc/cp/error.c:1945 0x996c3a subst_to_string /home/marxin/Programming/gcc/gcc/cp/error.c:3369 0x996c3a cp_printer /home/marxin/Programming/gcc/gcc/cp/error.c:4361 0x1b72e3c pp_format(pretty_printer*, text_info*) /home/marxin/Programming/gcc/gcc/pretty-print.c:1475 0x1b74ec0 pp_format_verbatim(pretty_printer*, text_info*) /home/marxin/Programming/gcc/gcc/pretty-print.c:1536 0x1b74ec0 pp_verbatim(pretty_printer*, char const*, ...) /home/marxin/Programming/gcc/gcc/pretty-print.c:1790 0x98c3ac print_instantiation_partial_context_line /home/marxin/Programming/gcc/gcc/cp/error.c:3596 0x98c3ac print_instantiation_partial_context /home/marxin/Programming/gcc/gcc/cp/error.c:3705 0x98c3ac print_instantiation_full_context /home/marxin/Programming/gcc/gcc/cp/error.c:3585 0x99791a maybe_print_instantiation_context /home/marxin/Programming/gcc/gcc/cp/error.c:3722 0x99791a cp_diagnostic_starter /home/marxin/Programming/gcc/gcc/cp/error.c:3413 0x1b56c7a diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info= *) /home/marxin/Programming/gcc/gcc/diagnostic.c:1217 0x1b59338 diagnostic_impl /home/marxin/Programming/gcc/gcc/diagnostic.c:1366 0x1b59338 pedwarn(unsigned int, int, char const*, ...) /home/marxin/Programming/gcc/gcc/diagnostic.c:1599 0x94d269 compute_array_index_type_loc /home/marxin/Programming/gcc/gcc/cp/decl.c:10512 0xa69a70 tsubst(tree_node*, tree_node*, int, tree_node*) /home/marxin/Programming/gcc/gcc/cp/pt.c:15842 0xa54b1f tsubst_decl /home/marxin/Programming/gcc/gcc/cp/pt.c:14475 0xa81ead instantiate_class_template_1 /home/marxin/Programming/gcc/gcc/cp/pt.c:11959 0xa830f2 instantiate_class_template(tree_node*) /home/marxin/Programming/gcc/gcc/cp/pt.c:12196 Please submit a full bug report, with preprocessed source if appropriate. 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