===================================================================
@@ -442,10 +442,7 @@ Necessary when modifying @command{gperf} input fil
@itemx Tcl
Necessary to run the GCC testsuite; see the section on testing for
-details. Tcl 8.6 has a known regression in RE pattern handling that
-make parts of the testsuite fail. See
-@uref{http://core.tcl.tk/tcl/tktview/267b7e2334ee2e9de34c4b00d6e72e2f1997085f}
-for more information. This bug has been fixed in 8.6.1.
+details.
@item autogen version 5.5.4 (or later) and
@itemx guile version 1.4.1 (or later)