Collect type feedback on result of Math.[round|ceil|floor]

src/snapshot/serialize.cc

Index: src/snapshot/serialize.cc
diff --git a/src/snapshot/serialize.cc b/src/snapshot/serialize.cc
index bf0a4eb347b26bd5468d7370b0cb1cde10f39a24..e256066cd0341c923bd38c8c1495db17f70ee812 100644
--- a/src/snapshot/serialize.cc
+++ b/src/snapshot/serialize.cc
@@ -130,6 +130,8 @@ ExternalReferenceTable::ExternalReferenceTable(Isolate* isolate) {
       "Logger::LeaveExternal");
   Add(ExternalReference::address_of_minus_one_half().address(),
       "double_constants.minus_one_half");
+  Add(ExternalReference::address_of_minus_one().address(),
+      "double_constants.minus_one");
   Add(ExternalReference::stress_deopt_count(isolate).address(),
       "Isolate::stress_deopt_count_address()");