C++ PATCH to static member access

[Jason Merrill]

Fixes g++.martin/eval1.C, g++.other/static16.C.

2001-01-02  Jason Merrill  <jason@redhat.com>

	* call.c (build_new_method_call): Do evaluate the object parameter
	when accessing a static member.
	* typeck.c (build_component_ref): Likewise.

*** call.c.~1~	Sat Dec 30 00:22:25 2000
--- call.c	Sat Dec 30 00:22:27 2000
*************** build_new_method_call (instance, name, a
*** 4278,4283 ****
--- 4278,4284 ----
    tree pretty_name;
    tree user_args;
    tree templates = NULL_TREE;
+   tree call;
    int template_only = 0;
  
    if (TREE_CODE (name) == TEMPLATE_ID_EXPR)
*************** build_new_method_call (instance, name, a
*** 4492,4501 ****
  	  || resolves_to_fixed_type_p (instance, 0)))
      flags |= LOOKUP_NONVIRTUAL;
  
!   return build_over_call
!     (cand,
!      TREE_CODE (TREE_TYPE (cand->fn)) == METHOD_TYPE ? mem_args : args,
!      flags);
  }
  
  /* Returns non-zero iff standard conversion sequence ICS1 is a proper
--- 4493,4510 ----
  	  || resolves_to_fixed_type_p (instance, 0)))
      flags |= LOOKUP_NONVIRTUAL;
  
!   if (TREE_CODE (TREE_TYPE (cand->fn)) == METHOD_TYPE)
!     call = build_over_call (cand, mem_args, flags);
!   else
!     {
!       call = build_over_call (cand, args, flags);
!       /* Do evaluate the object parameter in a call to a static member
! 	 function.  */
!       if (TREE_SIDE_EFFECTS (instance))
! 	call = build (COMPOUND_EXPR, TREE_TYPE (call), instance, call);
!     }
! 
!   return call;
  }
  
  /* Returns non-zero iff standard conversion sequence ICS1 is a proper
*** typeck.c.~1~	Sat Dec 30 00:22:25 2000
--- typeck.c	Tue Jan  2 15:09:17 2001
*************** build_component_ref (datum, component, b
*** 2208,2213 ****
--- 2208,2218 ----
  	    mark_used (field);
  	  else
  	    TREE_USED (field) = 1;
+ 
+ 	  /* Do evaluate the object when accessing a static member.  */
+ 	  if (TREE_SIDE_EFFECTS (datum))
+ 	    field = build (COMPOUND_EXPR, TREE_TYPE (field), datum, field);
+ 
  	  return field;
  	}
      }