ICE with GCC-4.5.1-20100708

[JonY]

On 7/16/2010 08:46, Yaakov (Cygwin/X) wrote:
> On Fri, 2010-07-16 at 02:06 +0200, Angelo Graziosi wrote:
>> Testing the mingw64-i686* packages found at
>> ftp://ftp.cygwinports.org/pub/cygwinports/temp/MinGW (Cygwin cross
>> compiler, see[*]), I have obtained an ICE:
>>
>> $ cat ICE_test.cpp
>> void foo(char const* upattern, int color)
>> {
>>     static short bitmap_data[8];
>>     for (int i = 0; i<  8; i++)
>>     {
>>       bitmap_data[i] = (unsigned char)~upattern[i];
>>
>>     }
>> }
>>
>> $ mingw32-g++ -O3 -c ICE_test.cpp
>> ICE_test.cpp: In function ‘void foo(const char*, int)’:
>> ICE_test.cpp:1:6: internal compiler error: in vectorizable_store, at
>> tree-vect-stmts.c:3157
>> Please submit a full bug report,
>> with preprocessed source if appropriate.
>> See<http://gcc.gnu.org/bugs.html>  for instructions.
>>
>>
>> Using '-O0/-O1/-O2' in place of '-O3' option, works just fine!
>
> Confirmed.  Note that this does not occur with the other cross-targets
> compiled from the same snapshot (i686-pc-mingw32, x86_64-w64-mingw32,
> i686-pc-linux-gnu), even with -O3.
>
>
> Yaakov
> Cygwin Ports
>

Adding mingw-w64-public to CC.