Merge with 3.2: issue #14433
diff --git a/Misc/NEWS b/Misc/NEWS
index 1f97d7b..22248ac 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
Core and Builtins
-----------------
+- Issue #14433: Prevent msvcrt crash in interactive prompt when stdin
+ is closed.
+
- Issue #14521: Make result of float('nan') and float('-nan') more
consistent across platforms.
diff --git a/Parser/myreadline.c b/Parser/myreadline.c
index 33d5b3d..cb1cf0f 100644
--- a/Parser/myreadline.c
+++ b/Parser/myreadline.c
@@ -42,7 +42,10 @@
(void)(PyOS_InputHook)();
errno = 0;
clearerr(fp);
- p = fgets(buf, len, fp);
+ if (_PyVerify_fd(fileno(fp)))
+ p = fgets(buf, len, fp);
+ else
+ p = NULL;
if (p != NULL)
return 0; /* No error */
err = errno;