[turbofan] Added the optional Float64RoundUp operator to turbofan.

src/compiler/raw-machine-assembler.h

Index: src/compiler/raw-machine-assembler.h
diff --git a/src/compiler/raw-machine-assembler.h b/src/compiler/raw-machine-assembler.h
index ea18062de977dc61eb3682606ef464ce9e0d165a..db1a062f61a93b1d4ce63965f07d0a20cc4e26a8 100644
--- a/src/compiler/raw-machine-assembler.h
+++ b/src/compiler/raw-machine-assembler.h
@@ -482,6 +482,9 @@ class RawMachineAssembler {
   Node* Float64RoundDown(Node* a) {
     return AddNode(machine()->Float64RoundDown().op(), a);
   }
+  Node* Float64RoundUp(Node* a) {
+    return AddNode(machine()->Float64RoundUp().op(), a);
+  }
   Node* Float64RoundTruncate(Node* a) {
     return AddNode(machine()->Float64RoundTruncate().op(), a);
   }