tree ca01ca6ae40042ef19b90c977ad090f2b5241781
parent 8d49adead59b8103f3bfeebd53ee508eda5ee94a
author Ian Lance Taylor <iant@golang.org> 1608769950 -0800
committer Ian Lance Taylor <iant@golang.org> 1608774591 +0000

compiler: parenthesize channel type strings if necessary

Avoid the ambiguity between "chan <- (chan int)" and "chan (<- chan int)".
This parenthesizes the same way as the gc compiler.

Change-Id: I638c89058c48c486121ecb67a5f7285f099505c7
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/279961
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>