re PR libgcj/16032 (libgcj should reject class files with incorrect version numbers)

PR libgcj/16032:
	* interpret.cc (AVAL1U): Resolve pool entry when not direct
	threaded.
	(AVAL2U): Likewise.
	(compile): Handle 'ldc class' specially.
	(_Jv_InterpMethod::run): Added special 'ldc class' instruction.
	* verify.cc (check_constant): Handle 'ldc class' for 1.5 classes.
	* defineclass.cc (handleCodeAttribute): Set new field.
	(MAJOR_1_1, MINOR_1_1, MAJOR_1_2, MINOR_1_2, MAJOR_1_3, MINOR_1_3,
	MAJOR_1_4, MINOR_1_4, MAJOR_1_5, MINOR_1_5): New defines.
	(parse): Check version numbers.
	(_Jv_ClassReader::is_15): New field.
	(_Jv_ClassReader): Initialize it.
	* include/java-interp.h (_Jv_InterpMethod::is_15): New field.

From-SVN: r104325

libjava/include/java-interp.h

@@ -137,6 +137,7 @@ class _Jv_InterpMethod : public _Jv_MethodBase
   int              code_length;
 
   _Jv_ushort       exc_count;
+  bool             is_15;
 
   // Length of the line_table - when this is zero then line_table is NULL.
   int line_table_len;  
@@ -218,7 +219,8 @@ _Jv_GetFirstMethod (_Jv_InterpClass *klass)
   return klass->interpreted_methods;
 }
 
-struct _Jv_ResolvedMethod {
+struct _Jv_ResolvedMethod
+{
   jint            stack_item_count;	
   jint            vtable_index;	
   jclass          klass;