[es8] More spec compliant syntactic tail calls implementation.

test/message/syntactic-tail-call-in-binop-lhs.js

Index: test/message/syntactic-tail-call-in-binop-lhs.js
diff --git a/test/message/syntactic-tail-call-in-try.js b/test/message/syntactic-tail-call-in-binop-lhs.js
similarity index 83%
copy from test/message/syntactic-tail-call-in-try.js
copy to test/message/syntactic-tail-call-in-binop-lhs.js
index 97eb4f757ab27e898e888078a46b80a8df61097a..faf2a5ddcf6922cecbb3362d927ab37d725fda0f 100644
--- a/test/message/syntactic-tail-call-in-try.js
+++ b/test/message/syntactic-tail-call-in-binop-lhs.js
@@ -9,8 +9,5 @@ function f() {
 }
 
 function g() {
-  try {
-    return continue f();
-  } catch(e) {
-  }
+  return   continue f()   - a ;
 }