commit bash-20181005 snapshot

tests/RUN-ONE-TEST

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

tests/new-exp.right

@@ -643,6 +643,10 @@ ir
 a b c d e
 5
 a5b
+i
+declare -i foo
+A
+declare -A foo
 abcxxxdef
 abcådef
 ḅć

tests/new-exp10.sub

@@ -84,3 +84,17 @@ set -- a b c d e
 echo ${@}
 echo ${#@}
 echo a${#@}b
+
+# new feature in bash-5.0: display attributes of even unset variables
+unset -v foo
+
+declare -i foo
+echo ${foo@a}
+
+declare -p foo
+
+unset foo
+declare -A foo
+echo ${foo@a}
+
+declare -p foo

tests/shopt.right

@@ -40,6 +40,7 @@ shopt -s interactive_comments
 shopt -u lastpipe
 shopt -u lithist
 shopt -u localvar_inherit
+shopt -u localvar_unset
 shopt -u login_shell
 shopt -u mailwarn
 shopt -u no_empty_cmd_completion
@@ -47,6 +48,7 @@ shopt -u nocaseglob
 shopt -u nocasematch
 shopt -u nullglob
 shopt -s progcomp
+shopt -u progcomp_alias
 shopt -s promptvars
 shopt -u restricted_shell
 shopt -u shift_verbose
@@ -100,12 +102,14 @@ shopt -u inherit_errexit
 shopt -u lastpipe
 shopt -u lithist
 shopt -u localvar_inherit
+shopt -u localvar_unset
 shopt -u login_shell
 shopt -u mailwarn
 shopt -u no_empty_cmd_completion
 shopt -u nocaseglob
 shopt -u nocasematch
 shopt -u nullglob
+shopt -u progcomp_alias
 shopt -u restricted_shell
 shopt -u shift_verbose
 shopt -u xpg_echo
@@ -140,12 +144,14 @@ inherit_errexit	off
 lastpipe       	off
 lithist        	off
 localvar_inherit	off
+localvar_unset 	off
 login_shell    	off
 mailwarn       	off
 no_empty_cmd_completion	off
 nocaseglob     	off
 nocasematch    	off
 nullglob       	off
+progcomp_alias 	off
 restricted_shell	off
 shift_verbose  	off
 xpg_echo       	off