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To: mec.gnu@mindspring.com (Michael Elizabeth Chastain)
Cc: ian@wasabisystems.com, ac131313@redhat.com, drow@mvista.com,
	gdb@sources.redhat.com, wcohen@redhat.com
Subject: Re: Slow handling of C++ symbol names
References: <20031203164734.201124B35B@berman.michael-chastain.com>
From: David Carlton <carlton@kealia.com>
Date: Wed, 03 Dec 2003 16:52:00 -0000
In-Reply-To: <20031203164734.201124B35B@berman.michael-chastain.com> (Michael
 Elizabeth Chastain's message of "Wed,  3 Dec 2003 11:47:34 -0500 (EST)")
Message-ID: <yf28yltsv2b.fsf@hawaii.kealia.com>
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On Wed,  3 Dec 2003 11:47:34 -0500 (EST), mec.gnu@mindspring.com (Michael Elizabeth Chastain) said:

>   _ZStltI9file_pathSsEbRKSt4pairIT_T0_ES6_
>   OLD: bool std::operator< <file_path, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >(std::pair<file_path, std::basic_string<char, std::char_traits<char>, std::allocator<char> > > const&, std::pair<file_path, std::basic_string<char, > std::char_traits<char>, std::allocator<char> > > const&)
>   NEW: bool std::operator<<file_path, std::string>(std::pair<file_path, std::string> const&, std::pair<file_path, std::string> const&)

Fascinating.

> The old demangler produces "operator< <", and the new demangler
> produces "operator <<".  I'm not a name mangling expert but I think
> that "operator <" is correct here and the new demangler suffers from
> shift-operator-versus-template-syntax gotcha.

Yeah, that's a bug, even one which could cause problems for GDB.

David Carlton
carlton@kealia.com