typeinfo (type_info::type_info(const char*)): Make `explicit'.

	* inc/typeinfo (type_info::type_info(const char*)): Make
	`explicit'.

From-SVN: r22235

gcc/cp/ChangeLog

 1998-09-04  Mark Mitchell  <mark@markmitchell.com>
 
+	* inc/typeinfo (type_info::type_info(const char*)): Make
+	`explicit'.
+
 	* cp-tree.h (hash_tree_cons_simple): New macro.
 	* pt.c (tsubst_arg_types): New function.  Use hash_tree_cons.
 	(coerce_template_parms): Use make_temp_vec, instead of

gcc/cp/inc/typeinfo

@@ -17,7 +17,7 @@ private:
   type_info (const type_info&);
 
 protected:
-  type_info (const char *n): _name (n) { }
+  explicit type_info (const char *n): _name (n) { }
 
   const char *_name;
 

gcc/testsuite/g++.old-deja/g++.other/typeinfo1.C

+// Build don't link:
+
+#include <typeinfo>
+
+struct S {
+  S (const char*);
+};
+
+void f(S s);
+void f(type_info);
+
+void g()
+{
+  f("abc");
+}