diff --git a/tools/regression/bin/sh/builtins/alias3.0 b/tools/regression/bin/sh/builtins/alias3.0
new file mode 100644
index 000000000000..fe65e31f5f03
--- /dev/null
+++ b/tools/regression/bin/sh/builtins/alias3.0
@@ -0,0 +1,12 @@
+# $FreeBSD$
+set -e
+
+unalias -a
+alias foo=bar
+alias bar=
+alias quux="1 2 3"
+alias foo=bar
+alias bar=
+alias quux="1 2 3"
+alias
+alias foo
diff --git a/tools/regression/bin/sh/builtins/alias3.0.stdout b/tools/regression/bin/sh/builtins/alias3.0.stdout
new file mode 100644
index 000000000000..52efaf0b72e7
--- /dev/null
+++ b/tools/regression/bin/sh/builtins/alias3.0.stdout
@@ -0,0 +1,4 @@
+bar=''
+foo=bar
+quux='1 2 3'
+foo=bar
diff --git a/tools/regression/bin/sh/parser/alias10.0 b/tools/regression/bin/sh/parser/alias10.0
new file mode 100644
index 000000000000..264f5c5f054b
--- /dev/null
+++ b/tools/regression/bin/sh/parser/alias10.0
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+alias echo='echo'
+alias echo='echo'
+[ "`eval echo b`" = b ]