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* [Bug c++/109357] New: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 @ 2023-03-31 10:47 kgledits at cisco dot com 2023-03-31 17:00 ` [Bug c++/109357] [12/13 Regression] " xry111 at gcc dot gnu.org ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: kgledits at cisco dot com @ 2023-03-31 10:47 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109357 Bug ID: 109357 Summary: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: kgledits at cisco dot com Target Milestone: --- Created attachment 54797 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54797&action=edit C++ file triggering internal compiler error See also https://godbolt.org/z/obn7vvjje . Using the attached CPP file: ==== $ g++ --version g++ (GCC) 13.0.1 20230318 (Red Hat 13.0.1-0) Copyright (C) 2023 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ g++ -std=c++20 -O2 -o - input-reduced.cpp input-reduced.cpp: In destructor ‘s2::~s2()’: input-reduced.cpp:15:19: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings] 15 | s2::~s2() { s1 = {"", ""}; } | ^~ input-reduced.cpp:15:23: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings] 15 | s2::~s2() { s1 = {"", ""}; } | ^~ input-reduced.cpp: In destructor ‘s2::~s2()’: input-reduced.cpp:15:28: internal compiler error: in adjust_temp_type, at cp/constexpr.cc:1685 15 | s2::~s2() { s1 = {"", ""}; } | ^ Please submit a full bug report, with preprocessed source. See <http://bugzilla.redhat.com/bugzilla> for instructions. Preprocessed source stored into /tmp/ccN3KzRp.out file, please attach this to your bugreport. ==== ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/109357] [12/13 Regression] internal compiler error in cp/constexpr.cc:1685 2023-03-31 10:47 [Bug c++/109357] New: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 kgledits at cisco dot com @ 2023-03-31 17:00 ` xry111 at gcc dot gnu.org 2023-03-31 17:11 ` jakub at gcc dot gnu.org ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: xry111 at gcc dot gnu.org @ 2023-03-31 17:00 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109357 Xi Ruoyao <xry111 at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |12.3 Known to work| |11.3.0 CC| |xry111 at gcc dot gnu.org Status|UNCONFIRMED |NEW Last reconfirmed| |2023-03-31 Ever confirmed|0 |1 Summary|GCC 13.0.1: internal |[12/13 Regression] internal |compiler error in |compiler error in |cp/constexpr.cc:1685 |cp/constexpr.cc:1685 Known to fail| |12.2.0 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/109357] [12/13 Regression] internal compiler error in cp/constexpr.cc:1685 2023-03-31 10:47 [Bug c++/109357] New: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 kgledits at cisco dot com 2023-03-31 17:00 ` [Bug c++/109357] [12/13 Regression] " xry111 at gcc dot gnu.org @ 2023-03-31 17:11 ` jakub at gcc dot gnu.org 2023-04-15 2:25 ` jason at gcc dot gnu.org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: jakub at gcc dot gnu.org @ 2023-03-31 17:11 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109357 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P2 CC| |jakub at gcc dot gnu.org, | |jason at gcc dot gnu.org --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Started with r12-6329-g4f6bc28fc7dd86bd9e7408cbf ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/109357] [12/13 Regression] internal compiler error in cp/constexpr.cc:1685 2023-03-31 10:47 [Bug c++/109357] New: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 kgledits at cisco dot com 2023-03-31 17:00 ` [Bug c++/109357] [12/13 Regression] " xry111 at gcc dot gnu.org 2023-03-31 17:11 ` jakub at gcc dot gnu.org @ 2023-04-15 2:25 ` jason at gcc dot gnu.org 2023-04-15 16:35 ` cvs-commit at gcc dot gnu.org ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: jason at gcc dot gnu.org @ 2023-04-15 2:25 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109357 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |jason at gcc dot gnu.org ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/109357] [12/13 Regression] internal compiler error in cp/constexpr.cc:1685 2023-03-31 10:47 [Bug c++/109357] New: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 kgledits at cisco dot com ` (2 preceding siblings ...) 2023-04-15 2:25 ` jason at gcc dot gnu.org @ 2023-04-15 16:35 ` cvs-commit at gcc dot gnu.org 2023-04-18 20:46 ` [Bug c++/109357] [12 " jason at gcc dot gnu.org 2023-04-18 20:46 ` cvs-commit at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2023-04-15 16:35 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109357 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Jason Merrill <jason@gcc.gnu.org>: https://gcc.gnu.org/g:13669741e673fa6a7b7c8d68f992e58ecd393160 commit r13-7193-g13669741e673fa6a7b7c8d68f992e58ecd393160 Author: Jason Merrill <jason@redhat.com> Date: Fri Apr 14 22:40:43 2023 -0400 c++: constexpr aggregate destruction [PR109357] We were assuming that the result of evaluation of TARGET_EXPR_INITIAL would always be the new value of the temporary, but that's not necessarily true when the initializer is complex (i.e. target_expr_needs_replace). In that case evaluating the initializer initializes the temporary as a side-effect. PR c++/109357 gcc/cp/ChangeLog: * constexpr.cc (cxx_eval_constant_expression) [TARGET_EXPR]: Check for complex initializer. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/constexpr-dtor15.C: New test. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/109357] [12 Regression] internal compiler error in cp/constexpr.cc:1685 2023-03-31 10:47 [Bug c++/109357] New: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 kgledits at cisco dot com ` (3 preceding siblings ...) 2023-04-15 16:35 ` cvs-commit at gcc dot gnu.org @ 2023-04-18 20:46 ` jason at gcc dot gnu.org 2023-04-18 20:46 ` cvs-commit at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: jason at gcc dot gnu.org @ 2023-04-18 20:46 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109357 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|ASSIGNED |RESOLVED --- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> --- Fixed for 12.3/13. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/109357] [12 Regression] internal compiler error in cp/constexpr.cc:1685 2023-03-31 10:47 [Bug c++/109357] New: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 kgledits at cisco dot com ` (4 preceding siblings ...) 2023-04-18 20:46 ` [Bug c++/109357] [12 " jason at gcc dot gnu.org @ 2023-04-18 20:46 ` cvs-commit at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2023-04-18 20:46 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109357 --- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-12 branch has been updated by Jason Merrill <jason@gcc.gnu.org>: https://gcc.gnu.org/g:618b90f5688fa7c0923a3e07a0741c6ede0e6e4e commit r12-9445-g618b90f5688fa7c0923a3e07a0741c6ede0e6e4e Author: Jason Merrill <jason@redhat.com> Date: Fri Apr 14 22:40:43 2023 -0400 c++: constexpr aggregate destruction [PR109357] We were assuming that the result of evaluation of TARGET_EXPR_INITIAL would always be the new value of the temporary, but that's not necessarily true when the initializer is complex (i.e. target_expr_needs_replace). In that case evaluating the initializer initializes the temporary as a side-effect. PR c++/109357 gcc/cp/ChangeLog: * constexpr.cc (cxx_eval_constant_expression) [TARGET_EXPR]: Check for complex initializer. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/constexpr-dtor15.C: New test. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2023-04-18 20:46 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2023-03-31 10:47 [Bug c++/109357] New: GCC 13.0.1: internal compiler error in cp/constexpr.cc:1685 kgledits at cisco dot com 2023-03-31 17:00 ` [Bug c++/109357] [12/13 Regression] " xry111 at gcc dot gnu.org 2023-03-31 17:11 ` jakub at gcc dot gnu.org 2023-04-15 2:25 ` jason at gcc dot gnu.org 2023-04-15 16:35 ` cvs-commit at gcc dot gnu.org 2023-04-18 20:46 ` [Bug c++/109357] [12 " jason at gcc dot gnu.org 2023-04-18 20:46 ` cvs-commit at gcc dot gnu.org
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