From: bors <bors@rust-lang.org>
Date: Sat, 8 Dec 2018 17:06:19 +0000 (+0000)
Subject: Auto merge of #56632 - Eijebong:synup, r=Mark-Simulacrum
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=bdef56a3245460d1fb28c3b4d8ac4b17373c66ce;p=rust.git

Auto merge of #56632 - Eijebong:synup, r=Mark-Simulacrum

Reduce the number of syn versions compiled from 4 to 2

The last remaining one comes from mdbook. Unfortunately updating it
breaks everything
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bdef56a3245460d1fb28c3b4d8ac4b17373c66ce