Upstream commit:
    Date: Fri, 23 Mar 2018 18:58:47 +0800
    expand: Fix ghost fields with unquoted $@/$*
    You're right.  The proper fix to this is to ensure that nulonly
    is not set in varvalue for $*.  It should only be set for $@ when
    it's inside double quotes.
    In fact there is another bug while we're playing with $@/$*.
    When IFS is set to a non-whitespace character such as :, $*
    outside quotes won't remove empty fields as it should.
    This patch fixes both problems.
    Reported-by: Martijn Dekker <martijn@inlv.org>
    Suggested-by: Harald van Dijk <harald@gigawatt.nl>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
function                                             old     new   delta
argstr                                              1111    1113      +2
evalvar                                              571     569      -2
varvalue                                             579     576      -3
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 2/-5)               Total: -3 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
		
	
		
			
				
	
	
		
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