2.2.1 new build error

[Adam Domurad]

A quick fix would involve turning off -Werror, but I'm not acquainted
with the source enough to point out where.

On Wed, 2012-06-13 at 19:35 +0200, Andreas Radke wrote:
> I'm getting this new build error in ArchLinux with gcc4.7:
> 
> In file included from /usr/include/string.h:642:0,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:35,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/utilities/debug.hpp:29,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/runtime/globals.hpp:28,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/memory/allocation.hpp:28,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/memory/iterator.hpp:28,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/memory/genOopClosures.hpp:28,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/oops/klass.hpp:28,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/runtime/handles.hpp:28,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/asm/assembler.hpp:28,
>                  from /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/precompiled/precompiled.hpp:29:
> In function 'void* memset(void*, int, size_t)',
>     inlined from 'void G1BlockOffsetSharedArray::_ZN24G1BlockOffsetSharedArray16set_offset_arrayEmmh.isra.72(unsigned char*, size_t, size_t, unsigned char)' at /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.hpp:169:52,
>     inlined from 'void G1BlockOffsetArray::set_remainder_to_point_to_start_incl(size_t, size_t)' at /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp:195:67,
>     inlined from 'void G1BlockOffsetArray::_ZN18G1BlockOffsetArray31set_remainder_to_point_to_startEP8HeapWordS1_.part.81(HeapWord*, HeapWord*)' at /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp:168:61,
>     inlined from 'void G1BlockOffsetArray::set_remainder_to_point_to_start(HeapWord*, HeapWord*)' at /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp:369:1,
>     inlined from 'void G1BlockOffsetArray::alloc_block_work2(HeapWord**, size_t*, HeapWord*, HeapWord*)' at /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp:510:53,
>     inlined from 'HeapWord* G1BlockOffsetArray::forward_to_block_containing_addr_slow(HeapWord*, HeapWord*, const void*)' at /build/src/icedtea-2.2.1/openjdk/hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp:394:59:
> /usr/include/bits/string3.h:82:32: error: call to '__warn_memset_zero_len' declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [-Werror]
> /usr/include/bits/string3.h:82:32: error: call to '__warn_memset_zero_len' declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [-Werror]
> /usr/include/bits/string3.h:82:32: error: call to '__warn_memset_zero_len' declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [-Werror]
> /usr/include/bits/string3.h:82:32: error: call to '__warn_memset_zero_len' declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [-Werror]
> /usr/include/bits/string3.h:82:32: error: call to '__warn_memset_zero_len' declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [-Werror]
> /usr/include/bits/string3.h:82:32: error: call to '__warn_memset_zero_len' declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [-Werror]
> cc1plus: all warnings being treated as errors
> make[7]: *** [g1BlockOffsetTable.o] Error 1
> 
> 
> Any idea for a quick fix?
> 
> -Andy