From 762dcdf61ab2c7446b1541053536f4994b3d2b54 Mon Sep 17 00:00:00 2001
From: John Darrington <john@darrington.wattle.id.au>
Date: Sun, 26 Apr 2020 14:59:11 +0200
Subject: [PATCH] Fix crash when bad autorecode /blank is encountered.

Closes bug #58255.
---
 src/language/stats/autorecode.c    |  3 ++-
 tests/language/stats/autorecode.at | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/language/stats/autorecode.c b/src/language/stats/autorecode.c
index c093b1e6ab..91fffcf27a 100644
--- a/src/language/stats/autorecode.c
+++ b/src/language/stats/autorecode.c
@@ -491,9 +491,10 @@ arc_free (struct autorecode_pgm *arc)
         }
 
       size_t n_rec_items =
-        (arc->n_specs == 1 || arc->specs[0].items == arc->specs[1].items
+        (arc->n_specs >= 2 && arc->specs[0].items == arc->specs[1].items
          ? 1
          : arc->n_specs);
+
       for (size_t i = 0; i < n_rec_items; i++)
         {
           struct arc_spec *spec = &arc->specs[i];
diff --git a/tests/language/stats/autorecode.at b/tests/language/stats/autorecode.at
index 42f3cd32c0..7e886fa08c 100644
--- a/tests/language/stats/autorecode.at
+++ b/tests/language/stats/autorecode.at
@@ -522,3 +522,24 @@ x,y
 8,4
 ])
 AT_CLEANUP
+
+
+AT_SETUP([AUTORECODE with /BLANK without specifier])
+
+AT_DATA([autorecode.sps], [data list notable list /x (a18).
+begin data
+one
+two
+three
+end data.
+
+* /BLANK should be either =MISSING or =VALID
+autorecode x /into y
+ /blank
+
+execute.
+])
+
+AT_CHECK([pspp -O format=csv autorecode.sps], [1], [ignore])
+
+AT_CLEANUP
-- 
2.30.2