Tweak sanity check.

Somebody managed to overrun this.

Change-Id: Ibf7d6a9831d20ce4093fae8e67c835257b2c51a1
diff --git a/vm/analysis/CodeVerify.c b/vm/analysis/CodeVerify.c
index 942ac60..7157e6e 100644
--- a/vm/analysis/CodeVerify.c
+++ b/vm/analysis/CodeVerify.c
@@ -3092,7 +3092,7 @@
         gDvm.classJavaLangObject =
             dvmFindSystemClassNoInit("Ljava/lang/Object;");
 
-    if (meth->registersSize * insnsSize > 2*1024*1024) {
+    if (meth->registersSize * insnsSize > 4*1024*1024) {
         /* should probably base this on actual memory requirements */
         LOG_VFY_METH(meth,
             "VFY: arbitrarily rejecting large method (regs=%d count=%d)\n",