[release-branch.go1.17] runtime: mark TestGcSys as flaky

I don't know what this test is doing, but it very frequently flakes
for me while testing mundane compiler CLs. According to the issue log,
it's been flaky for ~3 years.

Updates #37331.
Fixes #52826.

Change-Id: I81c43ad646ee12d4c6561290a54e4bf637695bc6
Reviewed-on: https://go-review.googlesource.com/c/go/+/336349
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
(cherry picked from commit d8ceb133cac65b47c3f5bb292fbb28690c8b89a5)
Reviewed-on: https://go-review.googlesource.com/c/go/+/406974
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>

diff --git a/src/runtime/gc_test.go b/src/runtime/gc_test.go
index 5e7c6c574fe1937777f3af9a3c508917088d9452..0ec533153484ca953ed385453bf36829e69c1416 100644 (file)
--- a/src/runtime/gc_test.go
+++ b/src/runtime/gc_test.go
@@ -21,6 +21,7 @@ import (
 )
 
 func TestGcSys(t *testing.T) {
+       t.Skip("skipping known-flaky test; golang.org/issue/37331")
        if os.Getenv("GOGC") == "off" {
                t.Skip("skipping test; GOGC=off in environment")
        }