From: Mark Simulacrum <mark.simulacrum@gmail.com>
Date: Fri, 19 May 2017 20:16:18 +0000 (-0600)
Subject: Rollup merge of #42056 - sylvestre:master, r=alexcrichton
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=00118283345ba8c29c0e1d26e2c053897c83d861;p=rust.git

Rollup merge of #42056 - sylvestre:master, r=alexcrichton

Improve the error management when /proc is not mounted

This PR does two things:
* Triggers an error on GNU/Linux & Android when /proc/self/exe doesn't exist
* Handle the error properly
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00118283345ba8c29c0e1d26e2c053897c83d861