Change stack alignment on linux to 16 bytes to keep gcc 4.4 happy....

SConstruct

Index: SConstruct
===================================================================
--- SConstruct	(revision 2090)
+++ SConstruct	(working copy)
@@ -44,10 +44,10 @@
   ANDROID_TOP=""
 
 # TODO: Sort these issues out properly but as a temporary solution for gcc 4.4
-# on linux we need these compiler flags to avoid a mksnapshot segfault, avoid
-# crashes in the v8 test suite and avoid dtoa.c strict aliasing issues
+# on linux we need these compiler flags to avoid crashes in the v8 test suite
+# and avoid dtoa.c strict aliasing issues
 if os.environ.get('GCC_VERSION') == '44':
-    GCC_EXTRA_CCFLAGS = ['-fno-tree-vectorize', '-fno-tree-vrp']
+    GCC_EXTRA_CCFLAGS = ['-fno-tree-vrp']
     GCC_DTOA_EXTRA_CCFLAGS = ['-fno-strict-aliasing']
 else:
     GCC_EXTRA_CCFLAGS = []