JS/Inlining: in temporary variable elimination improve moving of some expressions which are provably pure

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

@@ -0,0 +1,13 @@
+var global = 1;
+
+function se() {
+    return global++;
+}
+
+function box() {
+    var $b = se();
+    var result = $b + $b;
+    if (result != 2) return "fail: " + result;
+
+    return "OK";
+}

js/js.translator/testData/js-optimizer/temporary-variable/transitiveNotConsideredTrivial.original.js

@@ -0,0 +1,14 @@
+var global = 1;
+
+function se() {
+    return global++;
+}
+
+function box() {
+    var $a = se();
+    var $b = $a;
+    var result = $b + $b;
+    if (result != 2) return "fail: " + result;
+
+    return "OK";
+}