invoke.texi (-fvar-tracking-assignments): Clarify that VTA is enabled by default…

invoke.texi (-fvar-tracking-assignments): Clarify that VTA is enabled by default together with var-tracking.

2015-01-30  Alexander Monakov  <amonakov@ispras.ru>

	* doc/invoke.texi (-fvar-tracking-assignments): Clarify that VTA is
	enabled by default together with var-tracking.

From-SVN: r220579

gcc/ChangeLog

+2015-02-10  Alexander Monakov  <amonakov@ispras.ru>
+
+	* doc/invoke.texi (-fvar-tracking-assignments): Clarify that VTA is
+	enabled by default together with var-tracking.
+
 2015-02-10  Nick Clifton  <nickc@redhat.com>
 
 	* config/rl78/rl78.c: Remove DIV attribute code accidentally

gcc/doc/invoke.texi

@@ -7090,6 +7090,8 @@ optimizing.  Use of @option{-gdwarf-4} is recommended along with it.
 
 It can be enabled even if var-tracking is disabled, in which case
 annotations are created and maintained, but discarded at the end.
+By default, this flag is enabled together with @option{-fvar-tracking},
+except when selective scheduling is enabled.
 
 @item -fvar-tracking-assignments-toggle
 @opindex fvar-tracking-assignments-toggle