Re: gdb cc1plus PACK_EXPANSION_PATTERN(result) gives 'No symbol "__extension__"' error msg

[Larry Evans]

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