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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/97511] [11 Regression] ICE in template_parm_to_arg, at cp/pt.c:4744 since r11-3296-ge5d72c840a226fdb
Date: Thu, 22 Oct 2020 11:34:22 +0000 [thread overview]
Message-ID: <bug-97511-4-5dP0RdnsHO@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-97511-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97511
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Patrick Palka <ppalka@gcc.gnu.org>:
https://gcc.gnu.org/g:b083a14dfe1f53446722f488885078e419238d24
commit r11-4229-gb083a14dfe1f53446722f488885078e419238d24
Author: Patrick Palka <ppalka@redhat.com>
Date: Thu Oct 22 07:27:55 2020 -0400
c++: Check DECL_TEMPLATE_PARM_P in duplicate_decls [PR97511]
This makes duplicate_decls differentiate a TYPE_DECL for an alias
template from a TYPE_DECL for one of its template parameters. The
recently added assert in template_parm_to_arg revealed this latent issue
because merging of the two TYPE_DECLs cleared the DECL_TEMPLATE_PARM_P
flag.
With this patch, we now also correctly diagnose the name shadowing in
the below testcase (as required by [temp.local]/6).
gcc/cp/ChangeLog:
PR c++/97511
* decl.c (duplicate_decls): Return NULL_TREE if
DECL_TEMPLATE_PARM_P differ.
gcc/testsuite/ChangeLog:
PR c++/97511
* g++.dg/template/shadow3.C: New test.
next prev parent reply other threads:[~2020-10-22 11:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-21 9:29 [Bug c++/97511] New: [11 Regression] ICE in template_parm_to_arg, at cp/pt.c:4744 asolokha at gmx dot com
2020-10-21 10:33 ` [Bug c++/97511] " rguenth at gcc dot gnu.org
2020-10-21 12:54 ` [Bug c++/97511] [11 Regression] ICE in template_parm_to_arg, at cp/pt.c:4744 since r11-3296-ge5d72c840a226fdb marxin at gcc dot gnu.org
2020-10-21 18:20 ` ppalka at gcc dot gnu.org
2020-10-22 11:34 ` cvs-commit at gcc dot gnu.org [this message]
2020-10-22 11:42 ` ppalka at gcc dot gnu.org
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