Fixes #1980

lib/coffee-script/nodes.js

@@ -1264,7 +1264,7 @@
     };
 
     Class.prototype.compileNode = function(o) {
-      var call, decl, klass, lname, name;
+      var call, decl, klass, lname, name, params;
       decl = this.determineName();
       name = decl || '_Class';
       if (name.reserved) name = "_" + name;
@@ -1284,7 +1284,8 @@
         this.superClass = new Literal(o.scope.freeVariable('super', false));
         this.body.expressions.unshift(new Extends(lname, this.superClass));
         call.args.push(this.parent);
-        call.variable.params.push(new Param(this.superClass));
+        params = call.variable.params || call.variable.base.params;
+        params.push(new Param(this.superClass));
       }
       klass = new Parens(call, true);
       if (this.variable) klass = new Assign(this.variable, klass);

src/nodes.coffee

@@ -954,7 +954,8 @@ exports.Class = class Class extends Base
       @superClass = new Literal o.scope.freeVariable 'super', no
       @body.expressions.unshift new Extends lname, @superClass
       call.args.push @parent
-      call.variable.params.push new Param @superClass
+      params = call.variable.params or call.variable.base.params
+      params.push new Param @superClass
 
     klass = new Parens call, yes
     klass = new Assign @variable, klass if @variable

test/classes.coffee

@@ -610,3 +610,12 @@ test "#1966: external constructors should produce their return value", ->
   ctor = -> {}
   class A then constructor: ctor
   ok (new A) not instanceof A
+
+test "#1980: regression with an inherited class with static function members", ->
+  
+  class A
+
+  class B extends A
+    @static: => 'value'
+    
+  eq B.static(), 'value'