JS: refactor TemporaryVariableElimination

js/js.translator/testData/js-optimizer/temporary-variable/methodCall.optimized.js

@@ -5,18 +5,20 @@ function init() {
     log = "";
 }
 
-function foo(n) {
+function foo_(n) {
     log += "{" + n + "}";
     return n;
 }
 
 function test1() {
+    var foo = foo_;
     init();
 
     return foo(foo(1) + foo(2));
 }
 
 function test2() {
+    var foo = foo_;
     init();
 
     var $tmp2 = foo(2);
@@ -25,12 +27,14 @@ function test2() {
 }
 
 function test3() {
+    var foo = foo_;
     init();
 
     return foo(foo(1) + foo(2) + foo(foo(3)));
 }
 
 function test4() {
+    var foo = foo_;
     init();
 
     var $tmp1 = foo(1);
@@ -41,6 +45,7 @@ function test4() {
 }
 
 function test5() {
+    var foo = foo_;
     init();
 
     var $tmp1 = foo(1);
@@ -52,6 +57,7 @@ function test5() {
 }
 
 function test6() {
+    var foo = foo_;
     init();
 
     var $tmp = foo(1);