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From: "herrtimson at yahoo dot de" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/105601] spidermonkey-91 fails to compile with:
 ../12.1.0/include/g++-v12/typeinfo:115: undefined reference to
 `std::type_info::operator==(std::type_info const&) const'
Date: Sat, 14 May 2022 10:39:53 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105601

tt_1 <herrtimson at yahoo dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|target                      |libstdc++

--- Comment #3 from tt_1 <herrtimson at yahoo dot de> ---
maybe something went wrong with this patch:=20=20

https://gcc.gnu.org/git/?p=3Dgcc.git;a=3Dcommit;h=3D3633cc54284450433b81f03=
40483e15df1a49a3c

its arm specific, and merges different implementations into one.=20

But I'm not close to being an expert here.=