cmd/compile: make logopt test skip if cannot create scratch directory

Fixes #38251.

Change-Id: Ic635843fb503484a1c9a230b0cca571393d3da5a
Reviewed-on: https://go-review.googlesource.com/c/go/+/227339
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>

diff --git a/src/cmd/compile/internal/logopt/logopt_test.go b/src/cmd/compile/internal/logopt/logopt_test.go
index 0b974fc31e3e0a6eee33b4a371001be92f6a29d6..040d8cee0b5ecee62b9630eb53a8dc1946b8ca9d 100644 (file)
--- a/src/cmd/compile/internal/logopt/logopt_test.go
+++ b/src/cmd/compile/internal/logopt/logopt_test.go
@@ -51,7 +51,7 @@ func TestLogOpt(t *testing.T) {
 
        dir, err := ioutil.TempDir("", "TestLogOpt")
        if err != nil {
-               t.Fatal(err)
+               t.Skipf("Could not create work directory, assuming not allowed on this platform.  Error was '%v'", err)
        }
        defer os.RemoveAll(dir)