[crankshaft] Support ES6 tail call elimination.

test/mjsunit/es6/tail-call.js

Index: test/mjsunit/es6/tail-call.js
diff --git a/test/mjsunit/es6/tail-call.js b/test/mjsunit/es6/tail-call.js
index e9539c37ba09c1465a4c310972625980867f46ff..a97e2fed71e8963793e07093234ba74230efb17e 100644
--- a/test/mjsunit/es6/tail-call.js
+++ b/test/mjsunit/es6/tail-call.js
@@ -3,6 +3,8 @@
 // found in the LICENSE file.
 
 // Flags: --allow-natives-syntax --harmony-tailcalls
+// TODO(v8:4698), TODO(ishell): support these cases.
+// Flags: --max-inlined-source-size=0
 "use strict";
 
 Error.prepareStackTrace = (error,stack) => {
@@ -69,6 +71,7 @@ function f_153(expected_call_stack, a) {
     assertEquals(12, g4(1));
   }
   test();
+  test();
   %OptimizeFunctionOnNextCall(test);
   test();
 })();
@@ -111,6 +114,7 @@ function f_153(expected_call_stack, a) {
     assertEquals(12, g4());
   }
   test();
+  test();
   %OptimizeFunctionOnNextCall(test);
   test();
 })();
@@ -162,6 +166,7 @@ function f_153(expected_call_stack, a) {
     assertEquals(12, g4(1));
   }
   test();
+  test();
   %OptimizeFunctionOnNextCall(test);
   test();
 })();
@@ -212,6 +217,7 @@ function f_153(expected_call_stack, a) {
     assertEquals(12, g4());
   }
   test();
+  test();
   %OptimizeFunctionOnNextCall(test);
   test();
 })();
@@ -237,6 +243,7 @@ function f_153(expected_call_stack, a) {
     assertEquals(153, g3());
   }
   test();
+  test();
   %OptimizeFunctionOnNextCall(test);
   test();
 })();
@@ -280,6 +287,7 @@ function f_153(expected_call_stack, a) {
     assertEquals(153, tc3());
   }
   test();
+  test();
   %OptimizeFunctionOnNextCall(test);
   test();
 })();
@@ -321,6 +329,7 @@ function f_153(expected_call_stack, a) {
     assertEquals(153, tf3());
   }
   test();
+  test();
   %OptimizeFunctionOnNextCall(test);
   test();
 })();
@@ -381,6 +390,7 @@ function f_153(expected_call_stack, a) {
     assertEquals(153, tcf4());
   }
   test();
+  test();
   %OptimizeFunctionOnNextCall(test);
   test();
 })();