Optimize numeric comparison with known successors.

src/arm64/lithium-arm64.cc

Index: src/arm64/lithium-arm64.cc
diff --git a/src/arm64/lithium-arm64.cc b/src/arm64/lithium-arm64.cc
index 8682e2b82fc190cce90c98b6c2a01f7d1635b9fa..68f839f6f17d8374c12f1aaa8a308cad802d5944 100644
--- a/src/arm64/lithium-arm64.cc
+++ b/src/arm64/lithium-arm64.cc
@@ -1251,8 +1251,9 @@ LInstruction* LChunkBuilder::DoClassOfTestAndBranch(
 
 LInstruction* LChunkBuilder::DoCompareNumericAndBranch(
     HCompareNumericAndBranch* instr) {
+  LInstruction* goto_instr = CheckElideControlInstruction(instr);
+  if (goto_instr != NULL) return goto_instr;
   Representation r = instr->representation();
-
   if (r.IsSmiOrInteger32()) {
     ASSERT(instr->left()->representation().Equals(r));
     ASSERT(instr->right()->representation().Equals(r));