cp-tree.h (language_function): Add x_eh_spec_try_block.

	* cp-tree.h (language_function): Add x_eh_spec_try_block.  Add
	x_scope_stmt_stack.  Add x_in_charge_parm.
	(current_eh_spec_try_block): New macro.
	(current_scope_stmt_stack): Likewise.
	(current_in_charge_parm): Likewise.
	* decl.c (start_function): Initialize current_in_charge_parm.
	(finish_function): Use current_in_charge_parm rather than looking
	up __in_chrg.
	* search.c (expand_indirect_vtbls_init): Likewise.

From-SVN: r29489

gcc/cp/ChangeLog

 1999-09-17  Mark Mitchell  <mark@codesourcery.com>
 
+	* cp-tree.h (language_function): Add x_eh_spec_try_block.  Add
+	x_scope_stmt_stack.  Add x_in_charge_parm.
+	(current_eh_spec_try_block): New macro.
+	(current_scope_stmt_stack): Likewise.
+	(current_in_charge_parm): Likewise.
+	* decl.c (start_function): Initialize current_in_charge_parm.
+	(finish_function): Use current_in_charge_parm rather than looking
+	up __in_chrg.
+	* search.c (expand_indirect_vtbls_init): Likewise.
+
 	* cp-tree.def (CLEANUP_STMT): Fix spelling in dumps.
 	(TRY_BLOCK): Likewise.
 	(HANDLER): Likewise.

gcc/cp/cp-tree.h

@@ -623,6 +623,9 @@ struct language_function
   tree x_current_class_ref;
   tree x_last_tree;
   tree x_last_expr_type;
+  tree x_eh_spec_try_block;
+  tree x_scope_stmt_stack;
+  tree x_in_charge_parm;
 
   struct rtx_def *x_last_dtor_insn;
   struct rtx_def *x_last_parm_cleanup_insn;
@@ -695,6 +698,20 @@ struct language_function
 
 #define last_expr_type cp_function_chain->x_last_expr_type
 
+/* The TRY_BLOCK for the exception-specifiers for the current
+   function, if any.  */
+
+#define current_eh_spec_try_block cp_function_chain->x_eh_spec_try_block
+
+/* The stack of SCOPE_STMTs for the current function.  */
+
+#define current_scope_stmt_stack cp_function_chain->x_scope_stmt_stack
+
+/* The `__in_chrg' parameter for the current function.  Only used for
+   destructors.  */
+
+#define current_in_charge_parm cp_function_chain->x_in_charge_parm
+
 /* Set to 0 at beginning of a function definition, set to 1 if
    a return statement that specifies a return value is seen.  */
 

gcc/cp/decl.c

@@ -13001,6 +13001,9 @@ start_function (declspecs, declarator, attrs, flags)
 	    = build_indirect_ref (t, NULL_PTR);
 	  cp_function_chain->x_current_class_ptr = t;
 	  
+	  if (DECL_DESTRUCTOR_P (decl1))
+	    current_in_charge_parm = TREE_CHAIN (t);
+
 	  resume_momentary (i);
 	  if (! hack_decl_function_context (decl1))
 	    end_temporary_allocation ();
@@ -13374,7 +13377,6 @@ finish_function (lineno, flags)
 	  tree binfo = TYPE_BINFO (current_class_type);
 	  tree cond = integer_one_node;
 	  tree exprstmt;
-	  tree in_charge_node = lookup_name (in_charge_identifier, 0);
 	  tree virtual_size;
 	  int ok_to_optimize_dtor = 0;
 	  int empty_dtor = get_last_insn () == last_dtor_insn;
@@ -13424,7 +13426,9 @@ finish_function (lineno, flags)
 	    exprstmt = build_delete (current_class_type, current_class_ref, integer_zero_node,
 				     LOOKUP_NONVIRTUAL|LOOKUP_DESTRUCTOR|LOOKUP_NORMAL, 0);
 	  else
-	    exprstmt = build_delete (current_class_type, current_class_ref, in_charge_node,
+	    exprstmt = build_delete (current_class_type,
+				     current_class_ref, 
+				     current_in_charge_parm,
 				     LOOKUP_NONVIRTUAL|LOOKUP_DESTRUCTOR|LOOKUP_NORMAL, 0);
 
 	  /* If we did not assign to this, then `this' is non-zero at
@@ -13451,7 +13455,8 @@ finish_function (lineno, flags)
 		{
 		  tree vbases = nreverse (copy_list (CLASSTYPE_VBASECLASSES (current_class_type)));
 		  expand_start_cond (build (BIT_AND_EXPR, integer_type_node,
-					    in_charge_node, integer_two_node), 0);
+					    current_in_charge_parm, 
+					    integer_two_node), 0);
 		  while (vbases)
 		    {
 		      if (TYPE_NEEDS_DESTRUCTOR (BINFO_TYPE (vbases)))
@@ -13499,7 +13504,7 @@ finish_function (lineno, flags)
 	  if (exprstmt)
 	    {
 	      cond = build (BIT_AND_EXPR, integer_type_node,
-			    in_charge_node, integer_one_node);
+			    current_in_charge_parm, integer_one_node);
 	      expand_start_cond (cond, 0);
 	      expand_expr_stmt (exprstmt);
 	      expand_end_cond ();

gcc/cp/search.c

@@ -2784,7 +2784,7 @@ expand_indirect_vtbls_init (binfo, true_exp, decl_ptr)
 
       if (fixup_insns)
 	{
-	  tree in_charge_node = lookup_name (in_charge_identifier, 0);
+	  tree in_charge_node = current_in_charge_parm;
 	  if (! in_charge_node)
 	    {
 	      warning ("recoverable internal compiler error, nobody's in charge!");