tm.texi (FUNCTION_ARG): Document that @var{type} can be an incomplete type.

2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>

	* tm.texi (FUNCTION_ARG): Document that @var{type} can be an
	incomplete type.

From-SVN: r38626

gcc/ChangeLog

+2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
+
+	* tm.texi (FUNCTION_ARG): Document that @var{type} can be an
+	incomplete type.
+
 Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
 
 	* c-decl.c (start_function): Don't warn on third parameter to main.

gcc/tm.texi

@@ -2901,6 +2901,8 @@ the data type of the argument as a tree node or 0 if that is not known
 (which happens for C support library functions); and @var{named},
 which is 1 for an ordinary argument and 0 for nameless arguments that
 correspond to @samp{@dots{}} in the called function's prototype.
+@var{type} can be an incomplete type if a syntax error has previously
+occurred.
 
 The value of the expression is usually either a @code{reg} RTX for the
 hard register in which to pass the argument, or zero to pass the