[cfe-commits] r140777 - in /cfe/trunk: lib/Sema/SemaChecking.cpp test/Sema/format-strings.c

[jahanian]

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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