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Re: gdb cc1plus PACK_EXPANSION_PATTERN(result) gives 'No symbol "__exte

From: Larry Evans
Subject: Re: gdb cc1plus PACK_EXPANSION_PATTERN(result) gives 'No symbol "__extension__"' error msg
Date: Wed, 08 Jul 2009 18:02:27 -0500
User-agent: Thunderbird 2.0.0.22 (X11/20090608) 
On 07/08/09 15:35, Larry Evans wrote:
The gcc compiler was compiled with -g3 -O0' compiler flags to enable invocation of macros during a gdb session; however, the 
macro,  PACK_EXPANSION_PATTERN, apparently uses a symbol:

  __extension__

not understood by gdb.  How can gdb be made to understand
__extension__?

[snip]
I guess not:

  http://article.gmane.org/gmane.comp.gcc.devel/107339
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