go/internal/gcimporter: suppress 3 test cases when gotypesalias=1

CL 577715 caused these test cases to fail, but this was not
detected by CI because they are "long" tests.

Updates #66859

Change-Id: I84320d9091772540df2ab15f57d93031596bb89b
Reviewed-on: https://go-review.googlesource.com/c/go/+/579415
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Alan Donovan <adonovan@google.com>

diff --git a/src/go/internal/gcimporter/gcimporter_test.go b/src/go/internal/gcimporter/gcimporter_test.go
index 07ab13518681cea6a9d6fb5039bc1bdcdfe46827..51b8dcd1551ec70e987ac18135129ea192687b24 100644 (file)
--- a/src/go/internal/gcimporter/gcimporter_test.go
+++ b/src/go/internal/gcimporter/gcimporter_test.go
@@ -7,6 +7,7 @@ package gcimporter_test
 import (
        "bytes"
        "fmt"
+       "internal/godebug"
        "internal/testenv"
        "os"
        "os/exec"
@@ -204,6 +205,16 @@ func TestImportTypeparamTests(t *testing.T) {
                                want := types.ObjectString(checkedObj, types.RelativeTo(checked))
                                want = sanitizeObjectString(want)
 
+                               // TODO(golang/go#66859): investigate and reenable these tests,
+                               // which fail with gotypesalias=1, soon to be the default.
+                               if godebug.New("gotypesalias").Value() != "0" {
+                                       symbol := name + " in " + filepath.Base(filename)
+                                       switch symbol {
+                                       case "Eint2 in struct.go", "A in issue50259.go":
+                                               t.Skipf("%s requires gotypesalias=1", symbol)
+                                       }
+                               }
+
                                if got != want {
                                        t.Errorf("imported %q as %q, want %q", name, got, want)
                                }