Close bug 71906.  Set default malloc alignment to 8 rather than 4.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2313 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/vg_malloc2.c b/coregrind/vg_malloc2.c
index b7bc66d..13d9a92 100644
--- a/coregrind/vg_malloc2.c
+++ b/coregrind/vg_malloc2.c
@@ -47,7 +47,7 @@
 
 /* Minimum alignment in functions that don't specify alignment explicitly.
    default: 0, i.e. use default of the machine (== 4) */
-Int  VG_(clo_alignment) = 4;
+Int  VG_(clo_alignment) = 8;
 
 
 Bool VG_(replacement_malloc_process_cmd_line_option)(Char* arg)