commit bash-20151113 snapshot

tests/RUN-ONE-TEST

@@ -1,4 +1,4 @@
-BUILD_DIR=/usr/local/build/chet/bash/bash-current
+BUILD_DIR=/usr/local/build/bash/bash-current
 THIS_SH=$BUILD_DIR/bash
 PATH=$PATH:$BUILD_DIR
 

tests/histexp.right

@@ -143,3 +143,8 @@ echo a b c d 2 > /dev/null
 \!
 \!
 \!
+a
+b
+c
+echo "#!/bin/bash" set -o posix
+#!/bin/bash set -o posix

tests/histexp.tests

@@ -129,3 +129,4 @@ echo !shopt-1
 echo !shopt*
 
 ${THIS_SH} ./histexp1.sub
+${THIS_SH} ./histexp2.sub

tests/histexp2.sub

@@ -0,0 +1,11 @@
+LANG=C LC_ALL=C
+
+set -o history
+echo a
+echo b
+echo c
+
+set -o histexpand
+set -o posix
+
+echo "#!/bin/bash" !!