* generic/tclCompCmds.c (TclCompileRegexpCmd): TCL_REG_NOSUB cannot

	* tests/regexp.test (regexp-22.2):		be used because it
	* tests/regexpComp.test:	[Bug 1857126]	disallows backrefs.

2 files changed, 16 insertions, 1 deletions

diff --git a/tests/regexp.test b/tests/regexp.test
index 5471ca5..92b6c6a 100644
--- a/tests/regexp.test
+++ b/tests/regexp.test
@@ -11,7 +11,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: regexp.test,v 1.29 2007/12/13 15:26:07 dgp Exp $
+# RCS: @(#) $Id: regexp.test,v 1.30 2007/12/23 21:29:42 hobbs Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest 2
@@ -659,6 +659,9 @@ test regexp-22.1 {Bug 1810038} {
     regexp ($|^X)* {}
 } 1
 
+test regexp-22.2 {regexp compile and backrefs, Bug 1857126} {
+    regexp -- {([bc])\1} bb
+} 1
 
 # cleanup
 ::tcltest::cleanupTests
diff --git a/tests/regexpComp.test b/tests/regexpComp.test
index 8460006..c104a69 100644
--- a/tests/regexpComp.test
+++ b/tests/regexpComp.test
@@ -802,6 +802,18 @@ test regexpComp-21.11 {regexp command compiling tests} {
     }
 } {0 {}}
 
+test regexpComp-22.1 {Bug 1810038} {
+    evalInProc {
+	regexp ($|^X)* {}
+    }
+} 1
+
+test regexpComp-22.2 {regexp compile and backrefs, Bug 1857126} {
+    evalInProc {
+	regexp -- {([bc])\1} bb
+    }
+} 1
+
 set i 0
 foreach {str exp result} {
     foo		^foo		1