tc-i386.c fix for oss-fuzz gas fuzzing

[Jan Beulich]

On 10.02.2025 04:01, Alan Modra wrote:
> oss-fuzz fuzz_as is seriously broken with respect to gas static
> variables, so much so that most fuzz_as reports should simply be
> ignored.  This patch is a fix for
> https://oss-fuzz.com/testcase-detail/6268463220654080
> 
> 	* config/tc-i386.c (i386_md_end): Clear GOT_symbol.
> 
> diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
> index 62058f7e993..538e3fb06ad 100644
> --- a/gas/config/tc-i386.c
> +++ b/gas/config/tc-i386.c
> @@ -3612,6 +3612,7 @@ i386_md_end (void)
>  {
>    htab_delete (op_hash);
>    htab_delete (reg_hash);
> +  GOT_symbol = NULL;
>  }

For the future, may I ask that such seemingly unnecessary statements be
accompanied by a brief comment. Without such a comment, I (for example)
might be tempted to make a patch to remove them again.

Jan