Support valgrind 3.3 for --enable-checking=valgrind.
* system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
here.
[!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
[!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
[!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
* ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
respectively.
* ggc-zone.c: Similar.
* ggc-page.c: Similar.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132407
138bc75d-0d04-0410-961f-
82ee72b054a4