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From: "fdumont at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/111524] New: Missing support for inline namespace in
 spellcheck
Date: Thu, 21 Sep 2023 17:25:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111524

            Bug ID: 111524
           Summary: Missing support for inline namespace in spellcheck
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: fdumont at gcc dot gnu.org
  Target Milestone: ---

When spellcheck is trying to find out what mistake the dev made inline
namespace are not considered.

To reproduce you just need to build g++/libstdc++ with:
--enable-languages=3Dc++ --enable-symvers=3Dgnu-versioned-namespace

so that you have the std::__8:: inline namespace for mostly all libstdc++
symbols.

Then running 'make check-c++' several spellcheck tests will start to fail l=
ike:

/home/fdumont/dev/gcc/git/gcc/testsuite/g++.dg/spellcheck-pr78656.C: In
function 'void* allocate(std::size_t)':
/home/fdumont/dev/gcc/git/gcc/testsuite/g++.dg/spellcheck-pr78656.C:7:15:
error: 'allocate' is not a member of 'std'; did you mean 'allocate'?
   return std::allocate<char>().allocate(n); // { dg-error ".allocate. is n=
ot a
member of .std.; did you mean 'allocator'\\?" }
               ^~~~~~~~
/home/fdumont/dev/gcc/git/gcc/testsuite/g++.dg/spellcheck-pr78656.C:5:7: no=
te:
'allocate' declared here
 void* allocate(std::size_t n)
       ^~~~~~~~

It's not proposing std::allocator anymore as it is in fact std::__8::alloca=
tor.=