rust/compiler
Yuki Okushi 7931b2454d
Rollup merge of #78666 - sasurau4:fix/shellcheck-error, r=jyn514
Fix shellcheck error

## Overview

Helps with #77290

This pr fix only errors of shellcheck, the result of `git ls-files '*.sh' | xargs shellcheck --severity=error`.

Fixing error are following.

- https://github.com/koalaman/shellcheck/wiki/SC2148
- https://github.com/koalaman/shellcheck/wiki/SC1008

Disable error following.
- https://github.com/koalaman/shellcheck/wiki/SC2068
2020-11-07 01:02:14 +09:00
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