re PR sanitizer/59353 (-fsanitize=return is not documented)

	PR sanitizer/59353
	* doc/invoke.texi: Document -fsanitize=return.

From-SVN: r205601

gcc/ChangeLog

+2013-12-02  Marek Polacek  <polacek@redhat.com>
+
+	PR sanitizer/59353
+	* doc/invoke.texi: Document -fsanitize=return.
+
 2013-12-02  Tobias Burnus  <burnus@net-b.de>
 	    Manuel López-Ibáñez  <manu@gcc.gnu.org>
 

gcc/doc/invoke.texi

@@ -5355,6 +5355,14 @@ built with this option turned on will issue an error message when it
 tries to dereference a NULL pointer, or if a reference (possibly an
 rvalue reference) is bound to a NULL pointer.
 
+@item -fsanitize=return
+@opindex fsanitize=return
+
+This option enables return statement checking.  Programs
+built with this option turned on will issue an error message
+when the end of a non-void function is reached without actually
+returning a value.  This option works in C++ only.
+
 @end table
 
 While @option{-ftrapv} causes traps for signed overflows to be emitted,