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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 Date: Sun, 03 Oct 2021 21:14:26 +0000 [thread overview] Message-ID: <bug-102581-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581 Bug ID: 102581 Summary: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Created attachment 51542 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51542&action=edit gzipped C++ source code The attached C++ source code, with compiler flags -fno-strict-aliasing and -O2, does this: /home/dcb35/rpmbuild/BUILD/Vulkan-Tools-sdk-1.2.189.0/vulkaninfo/vulkaninfo.cpp:1082:1: internal compiler error: in forced_merge, at ipa-modref-tree.h:352 The bug first occurs sometime before git hash 2fcfc03459a907c0, from about a month ago. I will try to reduce this source code downto somethine sensible.
next reply other threads:[~2021-10-03 21:14 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-03 21:14 dcb314 at hotmail dot com [this message] 2021-10-03 21:21 ` [Bug ipa/102581] [12 Regression] " pinskia at gcc dot gnu.org 2021-10-03 21:22 ` pinskia at gcc dot gnu.org 2021-10-03 21:27 ` dcb314 at hotmail dot com 2021-10-04 7:25 ` [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173 marxin at gcc dot gnu.org 2021-10-04 7:28 ` marxin at gcc dot gnu.org 2021-10-04 7:47 ` rguenth at gcc dot gnu.org 2021-10-04 8:16 ` dcb314 at hotmail dot com 2021-10-04 8:19 ` marxin at gcc dot gnu.org 2021-10-04 8:27 ` marxin at gcc dot gnu.org 2021-10-06 14:56 ` hubicka at ucw dot cz 2021-10-06 15:16 ` hubicka at ucw dot cz 2021-10-07 13:26 ` cvs-commit at gcc dot gnu.org 2021-10-07 13:59 ` hubicka at gcc dot gnu.org 2021-10-07 18:50 ` ian at airs dot com
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