tree 20720b39e8d9a0e950819abb52cb4ab0b4b60966
parent 710417bc92af19379101acbcd4e0f79dba38c891
author Robert Griesemer <gri@golang.org> 1548295854 -0800
committer Robert Griesemer <gri@golang.org> 1549929075 +0000

go/types: permit signed integer shift count

Permit shifts by non-constant signed integer shift counts.
Share logic for constant shift counts in non-constant
shifts and improve error messages a little bit.

R=Go1.13

Updates #19113.

Change-Id: Ia01d83ca8aa60a6a3f4c49f026e0c46396f852be
Reviewed-on: https://go-review.googlesource.com/c/159317
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>