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authorHerbert Xu <herbert@gondor.apana.org.au>2007-09-24 22:28:49 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2007-09-24 22:28:49 +0800
commitbb777a690c2f800f75b18bd56445c528348755f5 (patch)
tree5a1c9bf3b1d712ba486698d0434e1378f2b4cf01 /src/bltin
parent[PARSER] Remove superfluous dblquote settings when ending arith (diff)
downloaddash-bb777a690c2f800f75b18bd56445c528348755f5.tar.gz
dash-bb777a690c2f800f75b18bd56445c528348755f5.zip
[PARSER] Remove arithmetic expansion collapsing at parse time
Collapsing arithmethc expansion is incorrect when the inner arithmetic
expansion is a part of a parameter expansion.

Test case:

	unset a
	echo $((3 + ${a:=$((4 + 5))}))
	echo $a

Old result:

	(4 + 5)

New result:

	9
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