Update comments.

From-SVN: r8817

gcc/cp/cvt.c

 /* Language-level data type conversion for GNU C++.
-   Copyright (C) 1987, 1988, 1992, 1993 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 1992, 1993, 1995 Free Software Foundation, Inc.
    Hacked by Michael Tiemann (tiemann@cygnus.com)
 
 This file is part of GNU CC.
@@ -707,7 +707,7 @@ convert_to_reference (reftype, expr, convtype, flags, decl)
 	 by San Diego WP section 5.2.9 paragraph 12, though perhaps it
 	 should be done directly (jason).  (int &)ri ---> *(int*)&ri */
 
-      /* B* bp; A& ar = (A&)bp; is legal, but it's probably not what they
+      /* B* bp; A& ar = (A&)bp; is valid, but it's probably not what they
          meant.  */
       if (form == POINTER_TYPE
 	  && (comptypes (TREE_TYPE (intype), type, -1)))

gcc/cp/decl.c

 /* Process declarations and variables for C compiler.
-   Copyright (C) 1988, 1992, 1993, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1988, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
    Hacked by Michael Tiemann (tiemann@cygnus.com)
 
 This file is part of GNU CC.
@@ -7953,7 +7953,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized, raises)
     {
       if (current_binding_level == global_binding_level)
 	{
-	  /* It's common practice (and completely legal) to have a const
+	  /* It's common practice (and completely valid) to have a const
 	     be initialized and declared extern.  */
 	  if (! constp)
 	    warning ("`%s' initialized and declared `extern'", name);
@@ -8063,7 +8063,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized, raises)
 
 	    /* ARM $8.4.3: Since you can't have a pointer to a reference,
 	       you can't have arrays of references.  If we allowed them,
-	       then we'd be saying x[i] is legal for an array x, but
+	       then we'd be saying x[i] is valid for an array x, but
 	       then you'd have to ask: what does `*(x + i)' mean?  */
 	    if (TREE_CODE (type) == REFERENCE_TYPE)
 	      {

gcc/cp/decl2.c

 /* Process declarations and variables for C compiler.
-   Copyright (C) 1988, 1992, 1993 Free Software Foundation, Inc.
+   Copyright (C) 1988, 1992, 1993, 1995 Free Software Foundation, Inc.
    Hacked by Michael Tiemann (tiemann@cygnus.com)
 
 This file is part of GNU CC.
@@ -1090,7 +1090,7 @@ delete_sanity (exp, size, doing_vec, use_global_delete)
 	  return error_mark_node;
 	}
 
-      /* Deleting a pointer with the value zero is legal and has no effect.  */
+      /* Deleting a pointer with the value zero is valid and has no effect.  */
       if (integer_zerop (t))
 	return build1 (NOP_EXPR, void_type_node, t);
     }

gcc/cp/init.c

 /* Handle initialization things in C++.
-   Copyright (C) 1987, 1989, 1992, 1993, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1987, 89, 92, 93, 94, 1995 Free Software Foundation, Inc.
    Contributed by Michael Tiemann (tiemann@cygnus.com)
 
 This file is part of GNU CC.
@@ -1090,7 +1090,7 @@ expand_member_init (exp, name, init)
    If FLAGS is LOOKUP_ONLYCONVERTING then it is the = init form of
    the initializer, if FLAGS is 0, then it is the (init) form.
    If `init' is a CONSTRUCTOR, then we emit a warning message,
-   explaining that such initializations are illegal.
+   explaining that such initializations are invalid.
 
    ALIAS_THIS is nonzero iff we are initializing something which is
    essentially an alias for C_C_D.  In this case, the base constructor
@@ -1363,7 +1363,7 @@ expand_aggr_init_1 (binfo, true_exp, exp, init, alias_this, flags)
 
 	  if (init_type == type && TREE_CODE (init) == CALL_EXPR
 #if 0
-	      /* It is legal to directly initialize from a CALL_EXPR
+	      /* It is valid to directly initialize from a CALL_EXPR
 		 without going through X(X&), apparently.  */
 	      && ! TYPE_GETS_INIT_REF (type)
 #endif

gcc/cp/search.c

 /* Breadth-first and depth-first routines for
    searching multiple-inheritance lattice for GNU C++.
-   Copyright (C) 1987, 1989, 1992, 1993 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1989, 1992, 1993, 1995 Free Software Foundation, Inc.
    Contributed by Michael Tiemann (tiemann@cygnus.com)
 
 This file is part of GNU CC.
@@ -1218,7 +1218,7 @@ lookup_field (xbasetype, name, protect, want_type)
 
       /* See if we can find NAME in TYPE.  If RVAL is nonzero,
 	 and we do find NAME in TYPE, verify that such a second
-	 sighting is in fact legal.  */
+	 sighting is in fact valid.  */
 
       nval = lookup_field_1 (type, name);
 
@@ -1694,7 +1694,7 @@ lookup_fnfields (basetype_path, name, complain)
 
       /* See if we can find NAME in TYPE.  If RVAL is nonzero,
 	 and we do find NAME in TYPE, verify that such a second
-	 sighting is in fact legal.  */
+	 sighting is in fact valid.  */
 
       index = lookup_fnfields_here (type, name);
 

gcc/cp/typeck.c

 /* Build expressions with type checking for C++ compiler.
-   Copyright (C) 1987, 88, 89, 92, 93, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1987, 88, 89, 92, 93, 94, 1995 Free Software Foundation, Inc.
    Hacked by Michael Tiemann (tiemann@cygnus.com)
 
 This file is part of GNU CC.
@@ -548,14 +548,14 @@ comp_array_types (cmp, t1, t2, strict)
 	2 : strict, except that if one type is a reference and
 	    the other is not, compare the target type of the
 	    reference to the type that's not a reference (ARM, p308).
-	    This is used for checking for illegal overloading.
+	    This is used for checking for invalid overloading.
 	1 : strict (compared according to ANSI C)
 	    This is used for checking whether two function decls match.
 	0 : <= (compared according to C++)
 	-1: <= or >= (relaxed)
 
    Otherwise, pointers involving base classes and derived classes
-   can be mixed as legal: i.e. a pointer to a base class may be assigned
+   can be mixed as valid: i.e. a pointer to a base class may be assigned
    to a pointer to one of its derived classes, as per C++. A pointer to
    a derived class may be passed as a parameter to a function expecting a
    pointer to a base classes. These allowances do not commute. In this
@@ -1903,7 +1903,7 @@ build_array_ref (array, idx)
 	}
 
       /* Note in C++ we don't bother warning about subscripting a
-	 `register' array, since it's legal in C++ to take the address
+	 `register' array, since it's valid in C++ to take the address
 	 of something with that storage specification.  */
       if (pedantic && !lvalue_p (array))
 	pedwarn ("ANSI C++ forbids subscripting non-lvalue array");
@@ -5948,7 +5948,7 @@ build_modify_expr (lhs, modifycode, rhs)
 	  slot = TREE_OPERAND (newrhs, 0);
       else if (TREE_CODE (newrhs) == ADDR_EXPR)
 	{
-	  /* Bad but legal.  */
+	  /* Bad but valid.  */
 	  slot = newrhs;
 	  warning ("address taken of temporary object");
 	}