* generic/tclBasic.c (Tcl_EvalObjEx):

	* tests/basic.test (basic-26.2): preserve the arguments passed to
	TEOV in the pure-list branch, in case the list shimmers away. Fix
	for [Bug 1119369], reported by Peter MacDonald.

1 files changed, 19 insertions, 1 deletions

diff --git a/tests/basic.test b/tests/basic.test
index da5449b..7a4b58d 100644
--- a/tests/basic.test
+++ b/tests/basic.test
@@ -15,7 +15,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: basic.test,v 1.36 2004/11/18 19:22:12 dgp Exp $
+# RCS: @(#) $Id: basic.test,v 1.37 2005/02/10 19:08:12 msofer Exp $
 #
 
 package require tcltest 2
@@ -438,6 +438,24 @@ test basic-26.1 {Tcl_EvalObj: preserve object while evaling it} -setup {
     rename myHandler {}
 } -result "foo\n    while executing\n\"error foo\""
 
+test basic-26.2 {Tcl_EvalObjEx, pure-list branch: preserve "objv"} {
+    #
+    # Follow the pure-list branch in a manner that
+    #   a - the pure-list internal rep is destroyed by shimmering
+    #   b - the command returns an error
+    # As the error code in Tcl_EvalObjv accesses the list elements, this will
+    # cause a segfault if [Bug 1119369] has not been fixed.
+    #
+
+    set SRC [list foo 1] ;# pure-list command 
+    proc foo str {
+	# Shimmer pure-list to cmdName, cleanup and error
+	proc $::SRC {} {}; $::SRC
+	error "BAD CALL"
+    }
+    catch {eval $SRC}
+} 1
+
 test basic-27.1 {Tcl_ExprLong} {emptyTest} {
 } {}