[PATCH] -E/-save-temps locus fix (PR preprocessor/48248)

[Joseph S. Myers]

On Tue, 29 Mar 2011, Jakub Jelinek wrote:

> Hi!
> 
> My PR41445 fix apparently sometimes results in wrong locus.
> The problem is if we switch temporarily to a locus of some token
> from a header file (PR41445 was fixing a problem where -save-temps
> behaved differently then normal compilation as locuses were different)
> and the line in the header file is within 8 lines of the line in the
> current source file, maybe_print_line optimizes and will emit
> newlines instead of emitting # X "file"... line.
> The optimization should be done only if it is the same file though.
> 
> Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux,
> ok for trunk/4.6?

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com