[Bug gas/21934] gas build fails when using gcc 7

[bneumeier at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21934

--- Comment #4 from Brett Neumeier <bneumeier at gmail dot com> ---
(In reply to H.J. Lu from comment #3)
> Here is a small testcase:
> 
> address@hidden config]$ cat /tmp/p.i
> static char output_invalid_buf[sizeof (unsigned char) * 2 + 5];
> 
> char *
> output_invalid (int c)
> {
>     __builtin_snprintf (output_invalid_buf, sizeof (output_invalid_buf),
>             "(0x%x)", (unsigned char) c);
>   return output_invalid_buf;
> }
> address@hidden config]$ gcc  -S -O2 -g -Wall /tmp/p.i -W
> address@hidden config]$ gcc  -S -O2 -g -Wall /tmp/p.i -W -m32
> address@hidden config]$ 
> 
> Please try it with your GCC 7.

OK!

address@hidden:/tmp$ x86_64-cbl-linux-gnu-gcc -S -O2 -g -Wall p.i -W
address@hidden:/tmp$

That compilation succeeds and produces p.s, which I am attaching.

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