[Bug preprocessor/86079] preprocessor fails to splice lines

[jbeulich at novell dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86079

--- Comment #7 from jbeulich at novell dot com ---
(In reply to Andreas Schwab from comment #5)
> It's not plain C since the stray backslashes are invalid.

As said - try with the stray ones removed, i.e.

unsigned \
int \
u \
;

This _is_ valid C from all I know, and pre-processes to

unsigned
 int
 u 
 ;

instead of

unsigned int u ;