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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/109645] New: ice in instantiate_decl, at cp/pt.cc:27097
Date: Thu, 27 Apr 2023 09:25:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109645

            Bug ID: 109645
           Summary: ice in instantiate_decl, at cp/pt.cc:27097
           Product: gcc
           Version: 13.0
            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 54937
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D54937&action=3Dedit
gzipped C++ source code

The attached C++ code, does this with recent gcc trunk:

$ ../results.20230426.asan.ubsan/bin/gcc -c -w -march=3Dznver1 bug910.cc
$ ../results.20230427.asan.ubsan/bin/gcc -c -w -march=3Dznver1 bug910.cc 2>=
&1 |
fgrep internal
/home/dcb36/rpmbuild/BUILD/media-downloader-2.9.0/src/engines/../utils/thre=
ads.hpp:55:79:
internal compiler error: in instantiate_decl, at cp/pt.cc:27097
$ ../results.20230426.asan.ubsan/bin/gcc -v 2>&1 | fgrep exp
gcc version 14.0.0 20230426 (experimental) (5fce06b868ec0d4f)=20
$ ../results.20230427.asan.ubsan/bin/gcc -v 2>&1 | fgrep exp
gcc version 14.0.0 20230427 (experimental) (d94ca762f6e0e4f1)=20
$ git log 5fce06b868ec0d4f..d94ca762f6e0e4f1 | grep -c "^commit"
43

I have a reduction running.=