1 files changed, 9 insertions, 0 deletions
diff --git a/tests/coroutine.test b/tests/coroutine.test
index 1d9040b..faa5a42 100644
--- a/tests/coroutine.test
+++ b/tests/coroutine.test
@@ -609,6 +609,15 @@ test coroutine-7.3 {yielding between coroutines} -body {
 } -cleanup {
     catch {rename juggler ""}
 } -result {{{a b c d e} ::j1 {a b c d} ::j2 {a b c} ::j3 {a b} ::j1 a ::j2} {} {} {}}
+
+test coroutine-7.4 {Bug 8ff0cb9fe1} -setup {
+    proc foo {a b} {catch yield; return 1}
+} -cleanup {
+    rename foo {}
+} -body {
+    coroutine demo lsort -command foo {a b}
+} -result {b a}
+
 
 # cleanup
 unset lambda