cmd/compile: skip TestEmptyDwarfRanges on Plan 9

TestEmptyDwarfRanges has been added in CL 94816.
This test is failing on Plan 9 because executables
don't have a DWARF symbol table.

Fixes #24226.

Change-Id: Iff7e34b8c2703a2f19ee8087a4d64d0bb98496cd
Reviewed-on: https://go-review.googlesource.com/98275
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/src/cmd/compile/internal/gc/scope_test.go b/src/cmd/compile/internal/gc/scope_test.go
index cc384e54c7b4ece56c0c8de5c03bbe4c5b5d8737..944a81e6700fff6b30e7ad15a0568d5c0639288a 100644 (file)
--- a/src/cmd/compile/internal/gc/scope_test.go
+++ b/src/cmd/compile/internal/gc/scope_test.go
@@ -447,6 +447,10 @@ func gobuild(t *testing.T, dir string, optimized bool, testfile []testline) (str
 func TestEmptyDwarfRanges(t *testing.T) {
        testenv.MustHaveGoRun(t)
 
+       if runtime.GOOS == "plan9" {
+               t.Skip("skipping on plan9; no DWARF symbol table in executables")
+       }
+
        dir, err := ioutil.TempDir("", "TestEmptyDwarfRanges")
        if err != nil {
                t.Fatalf("could not create directory: %v", err)