[PATCH] Fix another bootstrap-ubsan failure due to -Werror=maybe-uninitialized.

[Mikael Morin]

Le 08/10/2015 11:06, Maxim Ostapenko a écrit :
> Hi,
>
> running UBSan bootstrap on trunk, I've run to the such issue:
>
> /home/max/workspace/downloads/svn/trunk/gcc/fortran/parse.c: In function
> ‘gfc_statement decode_statement()’:
> /home/max/workspace/downloads/svn/trunk/gcc/fortran/parse.c:368:51:
> error: ‘m’ may be used uninitialized in this function
> [-Werror=maybe-uninitialized]
>     if (!(in_specification_block && m == MATCH_ERROR))
>
> Actually, the situation is pretty much similar to PR sanitizer/67867
> fixed by Marek in r228569. This tiny patch just initializes m with
> MATCH_NO value.
> By fixing this, UBSan bootstrap can proceed, although I see some errors
> detected (will report them later).
>
> Is this OK for trunk?
>
Yes, of course.
Thanks

Mikael