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Date: Sat, 16 Nov 2013 21:48:26 +0000
From: Charles Daffern <seejay.11@gmail.com>
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Subject: Sigsegv on empty array intersection/subtraction
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${:*}
${:|}

The missing first parameter in these expressions causes a segmentation
fault. I'm using zsh 5.0.2 (x86_64-unknown-linux-gnu).