Infrastructure classes for evaluating numeric relations between values.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 20fe5cfaaa626dcb9ffdc238857a0b09ec3e7374..63f79e3e9d4586aac876a3f30429085c611ce90e 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1636,6 +1636,12 @@ LInstruction* LChunkBuilder::DoSeqStringSetChar(HSeqStringSetChar* instr) {
 }
 
 
+LInstruction* LChunkBuilder::DoNumericConstraint(HNumericConstraint* instr) {
+  UNREACHABLE();
+  return NULL;
+}
+
+
 LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) {
   LOperand* value = UseRegisterOrConstantAtStart(instr->index());
   LOperand* length = Use(instr->length());