limeidan b3a194aad6 cmd/internal/sys, cmd/dist, misc/cgo/testcshared: enable c-shared feature and test on loong64
Linux kernel on loong64 has no Dup2 syscall support, so we use Dup3 to replace it like arm64 and riscv64.

Updates #53301
Fixes #58784

Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018
Reviewed-on: https://go-review.googlesource.com/c/go/+/425478
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: WANG Xuerui <git@xen0n.name>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: xiaodong liu <teaofmoli@gmail.com>
Reviewed-by: WANG Xuerui <git@xen0n.name>
2023-04-12 20:06:37 +00:00
..
2022-09-06 15:44:25 +00:00
2022-04-11 16:34:30 +00:00
2021-10-06 15:53:04 +00:00
2023-01-26 16:55:59 +00:00