On Sep 29, 2011, at 9:40 AM, Jakob Stoklund Olesen wrote:
>
> On Sep 28, 2011, at 10:52 PM, Ted Kremenek wrote:
>
>> Author: kremenek
>> Date: Thu Sep 29 00:52:16 2011
>> New Revision: 140777
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=140777&view=rev
>> Log:
>> Do not warn about empty format strings when there are no data arguments.
>> Fixes <rdar://problem/9473155>.
>>
>> Modified:
>> cfe/trunk/lib/Sema/SemaChecking.cpp
>> cfe/trunk/test/Sema/format-strings.c
>
> Hi Ted,
>
> This probably broke gcc-4_2-testsuite/src/gcc.dg/format/c90-printf-1.c and
> c90-scanf-1.c
>
> The test last passed at r140726 and started failing at r140780, so it could
> also be Doug or Daniel.
This warning has disappeared in both tests.
c90-printf-1.c:226:11: warning: format string is empty [-Wformat-zero-length]
printf (""); /* { dg-warning "zero-length" "warning for empty format" } */
^~
>
> Please check.
>
> /jakob
>
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