* typeck2.c (build_functional_cast): Handle default-initialization.

From-SVN: r21427

gcc/cp/ChangeLog

 1998-07-27  Jason Merrill  <jason@yorick.cygnus.com>
 
+	* typeck2.c (build_functional_cast): Handle default-initialization.
+
 	* call.c (build_over_call): Pass 1 to popclass.
 
 	* parse.y (direct_notype_declarator): Add precedence declaration
 	to notype_unqualified_id case.
+	* Makefile.in (EXPECT): Adjust.
 
 	* tree.c (ovl_member): Fix for single function in OVL.
 

gcc/cp/Makefile.in

@@ -215,7 +215,7 @@ parse.o : $(PARSE_C) $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../flags.h lex.h \
 	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $(BIG_SWITCHFLAG) \
   `echo $(PARSE_C) | sed 's,^\./,,'`
 
-CONFLICTS = expect 28 shift/reduce conflicts and 42 reduce/reduce conflicts.
+CONFLICTS = expect 26 shift/reduce conflicts and 42 reduce/reduce conflicts.
 $(PARSE_H) : $(PARSE_C)
 $(PARSE_C) : $(srcdir)/parse.y
 	@echo $(CONFLICTS)

gcc/cp/typeck2.c

@@ -1501,6 +1501,15 @@ build_functional_cast (exp, parms)
   if (parms && TREE_CHAIN (parms) == NULL_TREE)
     return build_c_cast (type, TREE_VALUE (parms));
 
+  /* We need to zero-initialize POD types.  Let's do that for everything
+     that doesn't need a constructor.  */
+  if (parms == NULL_TREE && !TYPE_NEEDS_CONSTRUCTING (type)
+      && TYPE_HAS_DEFAULT_CONSTRUCTOR (type))
+    {
+      exp = build (CONSTRUCTOR, type, NULL_TREE, NULL_TREE);
+      return get_target_expr (exp);
+    }
+
   exp = build_method_call (NULL_TREE, ctor_identifier, parms,
 			   TYPE_BINFO (type), LOOKUP_NORMAL);