commit bash-20180928 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/array.right

@@ -741,3 +741,18 @@ argv[2] = <b>
 argv[1] = <a>
 argv[2] = <b>
 argv[1] = <a+b>
+7
+./array27.sub: line 11: a[]]=7 : syntax error: invalid arithmetic operator (error token is "]=7 ")
+declare -A A=([$'\t']="2" [" "]="2" )
+./array27.sub: line 23: ((: A[]]=2 : syntax error: invalid arithmetic operator (error token is "]=2 ")
+declare -A A=([$'\t']="2" [" "]="2" ["*"]="2" ["@"]="2" )
+./array27.sub: line 32: A[]]: bad array subscript
+declare -A A=([$'\t']="X" [" "]="X" ["*"]="X" ["@"]="X" )
+./array27.sub: line 40: A[]]: bad array subscript
+declare -A A=([$'\t']="X" [" "]="X" ["*"]="X" ["@"]="X" )
+./array27.sub: line 48: declare: `A[]]=X': not a valid identifier
+declare -A A=(["*"]="X" ["@"]="X" )
+./array27.sub: line 56: declare: `A[]]=X': not a valid identifier
+./array27.sub: line 56: A[*]: bad array subscript
+./array27.sub: line 56: A[@]: bad array subscript
+declare -A A

tests/array.tests

@@ -405,3 +405,4 @@ ${THIS_SH} ./array23.sub
 ${THIS_SH} ./array24.sub
 ${THIS_SH} ./array25.sub
 ${THIS_SH} ./array26.sub
+${THIS_SH} ./array27.sub

tests/array27.sub

@@ -0,0 +1,59 @@
+# tests for `problem' keys when using associative arrays and assoc_expand_once
+# deal with problems for now; this is a placeholder for if and when I fix them
+
+typeset -A a
+shopt -s assoc_expand_once
+
+k='['
+echo $(( a[$k]=7 ))
+
+k=']'
+echo $(( a[$k]=7 ))
+
+unset a
+
+declare -A A
+
+for k in $'\t' ' '; do
+   (( A[$k]=2 ))
+done
+declare -p A
+
+for k in ']' '*' '@'; do
+   (( A[$k]=2 ))
+done
+
+declare -p A
+
+unset A
+declare -A A
+
+for k in $'\t' ' ' ']' '*' '@'; do
+   read "A[$k]" <<< X
+done
+declare -p A
+
+unset A
+declare -A A
+
+for k in $'\t' ' ' ']' '*' '@'; do
+	printf -v "A[$k]" "%s" X
+done
+declare -p A
+
+unset A
+declare -A A
+
+for k in ']' '*' '@'; do
+   declare A[$k]=X
+done
+declare -p A
+
+unset A
+declare -A A
+
+for k in ']' '*' '@'; do
+   declare "A[$k]=X"
+done
+declare -p A
+