sh: Fix $? in the first command of a 'for'.

In the first command of a 'for', $? should be the exit status of the last
pipeline (command substitution in the word list or command before 'for'),
not always 0.

2 files changed, 17 insertions, 0 deletions

diff --git a/tools/regression/bin/sh/builtins/for2.0 b/tools/regression/bin/sh/builtins/for2.0
new file mode 100644
index 0000000..48c22ce
--- /dev/null
+++ b/tools/regression/bin/sh/builtins/for2.0
@@ -0,0 +1,9 @@
+# $FreeBSD$
+
+r=x
+f() { return 42; }
+f
+for i in x; do
+	r=$?
+done
+[ "$r" = 42 ]
diff --git a/tools/regression/bin/sh/builtins/for3.0 b/tools/regression/bin/sh/builtins/for3.0
new file mode 100644
index 0000000..cc37238
--- /dev/null
+++ b/tools/regression/bin/sh/builtins/for3.0
@@ -0,0 +1,8 @@
+# $FreeBSD$
+
+r=x
+f() { return 42; }
+for i in x`f`; do
+	r=$?
+done
+[ "$r" = 42 ]