Referencing a global is assumed to have side effects.

Close #550
2014-09-28 11:16:51 +03:00
parent f0c1a01bc2
commit 01d19b4b52
3 changed files with 30 additions and 1 deletions
--- a/test/compress/conditionals.js
+++ b/test/compress/conditionals.js
@@ -239,6 +239,7 @@ cond_7: {
        evaluate    : true
    };
    input: {
+        var x, y, z, a, b;
        // compress these
        if (y) {
            x = 1+1;
@@ -281,6 +282,7 @@ cond_7: {
        x = y ? 'foo' : 'fo';
    }
    expect: {
+        var x, y, z, a, b;
        x = 2;
        x = 2;
        x = 'foo';
@@ -293,3 +295,20 @@ cond_7: {
    }
 }

+cond_7_1: {
+    options = {
+        conditionals: true,
+        evaluate    : true
+    };
+    input: {
+        // access to global should be assumed to have side effects
+        if (y) {
+            x = 1+1;
+        } else {
+            x = 2;
+        }
+    }
+    expect: {
+        x = (y, 2);
+    }
+}