cmd/link: skip TestRuntimeTypeDIEs on Plan 9

TestRuntimeTypeDIEs has been added in CL 38350. This
test is failing on Plan 9 because executables don't
have a DWARF symbol table.

Fixes #19944.

Change-Id: I121875bfd5f9f02ed668f8fb0686a0edffa2a99d
Reviewed-on: https://go-review.googlesource.com/40452
Run-TryBot: David du Colombier <0intro@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

diff --git a/src/cmd/link/internal/ld/dwarf_test.go b/src/cmd/link/internal/ld/dwarf_test.go
index 53a5a0610d9aaf06c9355ab27c0767ab2ee47dd3..7ce1e0c30bf2147d35382f672f72da74d11e3901 100644 (file)
--- a/src/cmd/link/internal/ld/dwarf_test.go
+++ b/src/cmd/link/internal/ld/dwarf_test.go
@@ -12,11 +12,17 @@ import (
        "os"
        "os/exec"
        "path/filepath"
+       "runtime"
        "testing"
 )
 
 func TestRuntimeTypeDIEs(t *testing.T) {
        testenv.MustHaveGoBuild(t)
+
+       if runtime.GOOS == "plan9" {
+               t.Skip("skipping on plan9; no DWARF symbol table in executables")
+       }
+
        dir, err := ioutil.TempDir("", "TestRuntimeTypeDIEs")
        if err != nil {
                t.Fatalf("could not create directory: %v", err)