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-rw-r--r--shell/ash.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c
index bf7afaba0..13b4329b5 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13878,7 +13878,8 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
if (minusc) {
/* evalstring pushes parsefile stack.
* Ensure we don't falsely claim that 0 (stdin)
- * is one of stacked source fds */
+ * is one of stacked source fds.
+ * Testcase: ash -c 'exec 1>&0' must not complain. */
if (!sflag)
g_parsefile->fd = -1;
evalstring(minusc, 0);