[Bug c++/96440] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Roger Sayle <sa...@gcc.gnu.org>:

https://gcc.gnu.org/g:e52af9cac7fa7409c78c9f336dc1da57750c9766

commit r12-7552-ge52af9cac7fa7409c78c9f336dc1da57750c9766
Author: Roger Sayle <ro...@nextmovesoftware.com>
Date:   Tue Mar 8 23:33:46 2022 +0000

    PR c++/96440: ICE-on-invalid-code error recovery.

    This patch fixes PR c++/96440 which is an ICE-on-invalid-code regression
    affecting mainline.

    2022-03-08  Roger Sayle  <ro...@nextmovesoftware.com>

    gcc/cp/ChangeLog
            PR c++/96440
            * decl.cc (start_decl): Defend against prefix_attributes being
            error_mark_node.

    gcc/testsuite/ChangeLog
            PR c++/96440
            * g++.dg/cpp0x/pr96440.C: New test case.