Detect simple tail calls

src/compiler/scheduler.cc

Index: src/compiler/scheduler.cc
diff --git a/src/compiler/scheduler.cc b/src/compiler/scheduler.cc
index 9851dba4fec00eec5688557c86aac96bea752798..589094c37197baf945c5a0971eefdf5db33bd53a 100644
--- a/src/compiler/scheduler.cc
+++ b/src/compiler/scheduler.cc
@@ -318,7 +318,7 @@ class CFGBuilder : public ZoneObject {
         BuildBlocksForSuccessors(node);
         break;
       case IrOpcode::kCall:
-        if (IsExceptionalCall(node)) {
+        if (NodeProperties::IsExceptionalCall(node)) {
           BuildBlocksForSuccessors(node);
         }
         break;
@@ -354,7 +354,7 @@ class CFGBuilder : public ZoneObject {
         ConnectThrow(node);
         break;
       case IrOpcode::kCall:
-        if (IsExceptionalCall(node)) {
+        if (NodeProperties::IsExceptionalCall(node)) {
           scheduler_->UpdatePlacement(node, Scheduler::kFixed);
           ConnectCall(node);
         }
@@ -519,13 +519,6 @@ class CFGBuilder : public ZoneObject {
     }
   }
 
-  bool IsExceptionalCall(Node* node) {
-    for (Node* const use : node->uses()) {
-      if (use->opcode() == IrOpcode::kIfException) return true;
-    }
-    return false;
-  }
-
   bool IsFinalMerge(Node* node) {
     return (node->opcode() == IrOpcode::kMerge &&
             node == scheduler_->graph_->end()->InputAt(0));