From dbb5219dc76c75a2c51f4b2fdc5c85a6908b85cd Mon Sep 17 00:00:00 2001
From: Giles Atkinson <“gatk555@gmail.com”>
Date: Sat, 18 Feb 2023 15:36:01 +0000
Subject: [PATCH] Fix a crash reported by Thomas Hoffmann when using the "TARG
 AT=xxxx" variant of "measure", General Form 1.

---
 src/frontend/com_measure2.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/frontend/com_measure2.c b/src/frontend/com_measure2.c
index 91dbffa7b..9db0c14da 100644
--- a/src/frontend/com_measure2.c
+++ b/src/frontend/com_measure2.c
@@ -1699,7 +1699,10 @@ get_measure2(
             goto err_ret1;
         }
         // measure targ
-        com_measure_when(measTarg);
+        if (measTarg->m_at == 1e99)
+            com_measure_when(measTarg);
+        else
+            measTarg->m_measured = measTarg->m_at;
 
         if (isnan(measTarg->m_measured)) {
             sprintf(errbuf, "out of interval\n");