diff --git a/src/cpu/sparc/vm/methodHandles_sparc.cpp b/src/cpu/sparc/vm/methodHandles_sparc.cpp
index 0533fdab193e5df013a078e6b21b8345111a94f6..4e80e1acddabb6af022923aa17c67ba64864c2fc 100644
--- a/src/cpu/sparc/vm/methodHandles_sparc.cpp
+++ b/src/cpu/sparc/vm/methodHandles_sparc.cpp
@@ -645,9 +645,10 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
 
       // Live at this point:
       // - G5_klass        :  klass required by the target method
+      // - O0_argslot      :  argslot index in vmarg; may be required in the failing path
       // - O1_scratch      :  argument klass to test
       // - G3_method_handle:  adapter method handle
-      __ check_klass_subtype(O1_scratch, G5_klass, O0_argslot, O2_scratch, done);
+      __ check_klass_subtype(O1_scratch, G5_klass, O2_scratch, O3_scratch, done);
 
       // If we get here, the type check failed!
       __ load_heap_oop(G3_amh_argument,        O2_required);  // required class
diff --git a/src/share/vm/memory/genOopClosures.hpp b/src/share/vm/memory/genOopClosures.hpp
index 6d5257c4f3657ca7ceecec45242e74d0f6ea5b83..2c9b5ad0d0bb98ff538d37e9641a7afd3f809ee5 100644
--- a/src/share/vm/memory/genOopClosures.hpp
+++ b/src/share/vm/memory/genOopClosures.hpp
@@ -175,7 +175,7 @@ class VerifyOopClosure: public OopClosure {
  protected:
   template <class T> inline void do_oop_work(T* p) {
     oop obj = oopDesc::load_decode_heap_oop(p);
-    guarantee(obj->is_oop_or_null(), err_msg("invalid oop: " INTPTR_FORMAT, obj));
+    guarantee(obj->is_oop_or_null(), err_msg("invalid oop: " INTPTR_FORMAT, (oopDesc*) obj));
   }
  public:
   virtual void do_oop(oop* p);