tree 8bf334b43ecd3cc1fe76731c1f47c9c259ec93a8
parent f04ac0ff37ba7de670aeda15d27239dd28423cd3
author Ian Lance Taylor <iant@golang.org> 1658515100 -0700
committer Ian Lance Taylor <iant@golang.org> 1658516163 +0000

libgo: use POSIX shell arithmetic expansion

Avoid bash-specific ((expression)) syntax.  As the bash syntax
converts a non-zero value to a zero status (and a zero value to a 1
status), and POSIX arithmetic expansion does not, we have to negate
the result.

Based on patch by Sören Tempel.

Change-Id: I4c64fa15de3994a1a5c7c5ec0de6a82ddd858917
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/419154
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>