install.texi (Prerequisites): Remove reference to Tcl 8.6 bug that was fixed in Tcl 8.6.1.

	* doc/install.texi (Prerequisites): Remove reference to Tcl 8.6
	bug that was fixed in Tcl 8.6.1.

From-SVN: r274089

gcc/ChangeLog

+2019-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* doc/install.texi (Prerequisites): Remove reference to Tcl 8.6
+	bug that was fixed in Tcl 8.6.1.
+
 2019-08-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	* function.c (assign_parm_adjust_stack_rtl): Revise STRICT_ALIGNMENT

gcc/doc/install.texi

@@ -442,10 +442,7 @@ Necessary when modifying @command{gperf} input files, e.g.@:
 @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)