cast fix

ExprPrimaryNodes.py

@@ -722,6 +722,17 @@ class ExprNode(ASTNode):
                 else:
                     if self.right.myType.assignable(self.left.myType):
                         self.code += p("mov", "eax", "1")
+                        n = getCFlowLabel()
+                        endLabel = "_end" + n
+
+                        self.left.codeGen()
+                        self.code += self.left.code
+
+                        self.code += p("cmp", "eax", "[G__Zero]")
+                        self.code += p("mov", "eax", "1")
+                        self.code += p("jne", endLabel)
+                        self.code += p("mov", "eax", "0")
+                        self.code += p(endLabel + ":", "")
                     else:
                         self.code += p("mov", "eax", "0")