added back checkCasts before invokeInterface calls

Author: richhickey

src/clj/clojure/core_proxy.clj

@@ -62,6 +62,7 @@
               (. gen (dup))
               (. gen (ifNull else-label))
                                         ;if found
+              (.checkCast gen ifn-type)
               (. gen (loadThis))
                                         ;box args
               (dotimes [i (count ptypes)]
@@ -125,6 +126,7 @@
       (. gen (loadThis))
       (. gen (dup))
       (. gen (getField ctype fmap imap-type))
+      (.checkCast gen (totype clojure.lang.IPersistentCollection))
       (. gen (loadArgs))
       (. gen (invokeInterface (totype clojure.lang.IPersistentCollection)
                               (. Method (getMethod "clojure.lang.IPersistentCollection cons(Object)"))))

src/clj/clojure/genclass.clj

@@ -181,6 +181,7 @@
                 (when is-overload
                   (. gen (mark found-label)))
                                         ;if found
+                (.checkCast gen ifn-type)
                 (when-not as-static
                   (. gen (loadThis)))
                                         ;box args
@@ -274,6 +275,7 @@
             (emit-get-var gen init-name)
             (. gen dup)
             (. gen ifNull no-init-label)
+            (.checkCast gen ifn-type)
                                         ;box init args
             (dotimes [i (count pclasses)]
               (. gen (loadArg i))
@@ -386,6 +388,7 @@
         (emit-get-var gen main-name)
         (. gen dup)
         (. gen ifNull no-main-label)
+        (.checkCast gen ifn-type)
         (. gen loadArgs)
         (. gen (invokeStatic rt-type (. Method (getMethod "clojure.lang.ISeq seq(Object)"))))
         (. gen (invokeInterface ifn-type (new Method "applyTo" obj-type 

src/jvm/clojure/lang/Compiler.java

@@ -1155,7 +1155,7 @@ public void emitUnboxed(C context, FnExpr fn, GeneratorAdapter gen){
 			{
 			Type type = Type.getType(method.getDeclaringClass());
 			target.emit(C.EXPRESSION, fn, gen);
-			if(!method.getDeclaringClass().isInterface())
+			//if(!method.getDeclaringClass().isInterface())
 				gen.checkCast(type);
 			MethodExpr.emitTypedArgs(fn, gen, method.getParameterTypes(), args);
 			if(context == C.RETURN)
@@ -1179,7 +1179,7 @@ public void emit(C context, FnExpr fn, GeneratorAdapter gen){
 			{
 			Type type = Type.getType(method.getDeclaringClass());
 			target.emit(C.EXPRESSION, fn, gen);
-			if(!method.getDeclaringClass().isInterface())
+			//if(!method.getDeclaringClass().isInterface())
 				gen.checkCast(type);
 			MethodExpr.emitTypedArgs(fn, gen, method.getParameterTypes(), args);
 			if(context == C.RETURN)