[PATCH] gas: require an operand to .startof.()/.sizeof.()

[Jan Beulich]

>>> On 22.02.17 at 17:31, <nickc@redhat.com> wrote:
>> gas/
>> 2017-02-21  Jan Beulich  <jbeulich@suse.com>
>> 
>> 	* expr.c (operand): Handle missing operand to .startof.() and
>> 	.sizeof.().
>> 	* testsuite/gas/all/err-sizeof.s: New.
> 
> The cris architecture is not the only one affected by this new test.
> The following are also affected:

Hmm, I had thought powerpc would be a very strange exception,
rather than the rule.

> Given the large number of targets affected, maybe the test itself needs
> to be reconsidered ?  Or maybe split into two tests, one general one,
> and one for targets which do support the difference of two symbols in an
> expression ?

Thing is - the test doesn't use the difference of symbols. There
ought to be a syntax error long before that expression would
need evaluating. I'll need to go look again, but perhaps best is
going to be to remove the problematic line altogether?

Jan