Bash-4.2 distribution sources and documentation

tests/execscript

@@ -109,6 +109,18 @@ ${THIS_SH} ./exec7.sub
 
 ${THIS_SH} -i ./exec8.sub
 
+${THIS_SH} ./exec9.sub
+
 true | `echo true` &
 
 echo after
+
+# Problem with bash at least back to version 3.0
+${THIS_SH} -c 'VAR=0; VAR=1 command exec; exit ${VAR}'
+
+# problem with bash through bash-4.1
+(
+        exec /var/empty/nosuch
+        echo bad
+) 2>/dev/null
+[ $? = 127 ] || echo FAIL: bad exit status $? at $LINENO