Bash-4.4 distribution sources and documentation

tests/execscript

@@ -112,6 +112,9 @@ ${THIS_SH} -i ./exec8.sub
 
 ${THIS_SH} ./exec9.sub
 
+${THIS_SH} ./exec10.sub
+${THIS_SH} ./exec11.sub
+
 true | `echo true` &
 
 echo after
@@ -125,3 +128,32 @@ ${THIS_SH} -c 'VAR=0; VAR=1 command exec; exit ${VAR}'
         echo bad
 ) 2>/dev/null
 [ $? = 127 ] || echo FAIL: bad exit status $? at $LINENO
+
+unset FALSE
+if [ -x /bin/false ]; then
+	FALSE=/bin/false
+elif [ -x /usr/bin/false ]; then
+	FALSE=/usr/bin/false
+else
+	FALSE='command false'
+fi
+
+# problem with undoing redirections before running exit trap through bash-4.3
+
+${THIS_SH} ./exec12.sub false	# function
+${THIS_SH} ./exec12.sub command false
+${THIS_SH} ./exec12.sub $FALSE
+
+${THIS_SH} ./exec12.sub notfound
+${THIS_SH} ./exec12.sub syntaxerror
+${THIS_SH} ./exec12.sub nosuchcommand
+
+# problem with fork optimization in bash-4.4-alpha
+
+$THIS_SH -c 'echo a && /bin/echo b && echo c'
+$THIS_SH -c 'echo A && /bin/echo B'
+
+$THIS_SH -c '/bin/echo c && echo d'
+$THIS_SH -c '/bin/echo c && /bin/echo d && echo e'
+
+${THIS_SH} ./exec13.sub