[PATCH][DOC]Fix an obvious type in md.texi

2015-03-03  Renlin Li  <renlin.li@arm.com>

gcc/

	* doc/md.texi (@item ^): ChangeLog ? into ^.

From-SVN: r221152

gcc/ChangeLog

+2015-03-03  Renlin Li  <renlin.li@arm.com>
+
+	* doc/md.texi (@item ^): Change ? into ^.
+
 2015-03-03  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* doc/tm.texi: Regenerated.

gcc/doc/md.texi

@@ -1512,7 +1512,7 @@ but if reloading is needed, some other alternative will be used.
 @cindex caret
 @item ^
 This constraint is analogous to @samp{?} but it disparages slightly
-the alternative only if the operand with the @samp{?} needs a reload.
+the alternative only if the operand with the @samp{^} needs a reload.
 
 @cindex @samp{$} in constraint
 @cindex dollar sign