Don't compress (0, eval)() to eval()

test/compress/issue-973.js

@@ -49,4 +49,21 @@ this_binding_collapse_vars: {
         a();
         (0, a.b)();
     }
+}
+
+eval_direct_calls: {
+    options = {
+        side_effects: true,
+        collapse_vars: true
+    }
+    input: {
+        (0, eval)('');
+
+        var fn = eval;
+        fn('');
+    }
+    expect: {
+        (0, eval)('');
+        (0, eval)('');
+    }
 }