From: bors <bors@rust-lang.org>
Date: Sat, 7 Oct 2017 15:09:06 +0000 (+0000)
Subject: Auto merge of #4578 - derekdreery:refactor/cargo_util_config, r=alexcrichton
X-Git-Tag: archive/raspbian/0.35.0-2+rpi1~3^2^2^2^2^2^2^2~22^2~6^2~15
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Auto merge of #4578 - derekdreery:refactor/cargo_util_config, r=alexcrichton

Remove some cells from Config

In most cases it makes sense to not use interior mutability in Config, so that mutability is more transparent. This PR removes Cells in these cases. It leaves those cases where parameters are only initialized on first access (LazyCell).
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446ed6e440f175b14f6d42cc941c44801028a40f