compress function.call()

lib/compress.js

@@ -3846,6 +3846,17 @@ merge(Compressor.prototype, {
                     }
                 }
                 break;
+              case "call":
+                if (exp.expression instanceof AST_Function && !exp.expression.contains_this()) {
+                    return make_sequence(this, [
+                        self.args[0],
+                        make_node(AST_Call, self, {
+                            expression: exp.expression,
+                            args: self.args.slice(1)
+                        })
+                    ]).optimize(compressor);
+                }
+                break;
             }
         }
         if (compressor.option("unsafe_Func")

test/compress/functions.js

@@ -923,3 +923,29 @@ issue_2604_2: {
     }
     expect_stdout: "PASS"
 }
+
+unsafe_call: {
+    options = {
+        inline: true,
+        passes: 2,
+        reduce_vars: true,
+        side_effects: true,
+        unsafe: true,
+        unused: true,
+    }
+    input: {
+        (function(a, b) {
+            console.log(a, b);
+        }).call("foo", "bar");
+        (function(a, b) {
+            console.log(this, a, b);
+        }).call("foo", "bar");
+    }
+    expect: {
+        console.log("bar", void 0);
+        (function(a, b) {
+            console.log(this, a, b);
+        }).call("foo", "bar");
+    }
+    expect_stdout: true
+}