genattrtab error reporting

[H.J. Lu]

On Wed, May 7, 2014 at 2:21 PM, Mike Stump <mikestump@comcast.net> wrote:
> getattrtab looses track of which file the given rtl came from during error reporting.  A port that uses multiple .md files for the port will tend to list the last .md file processed instead of the correct md file.  We preserve the filename upon read, and during post processing, we reset the filename to the right context, as we process that context.
>

Does this fix

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31778

-- 
H.J.