libgo patch committed: Remove temporary directories in gccgoimporter test

[Ian Lance Taylor]

This libgo patches fixes the go/internal/gccgoimporter test to remove
temporary directories.  This is for PR 89406.  Bootstrapped and ran Go
testsuite on x86_64-pc-linux-gnu.  Committed to mainline.

Ian

Index: gcc/go/gofrontend/MERGE
===================================================================
--- gcc/go/gofrontend/MERGE     (revision 269333)
+++ gcc/go/gofrontend/MERGE     (working copy)
@@ -1,4 +1,4 @@
-a72eca1f435002076655fd6a54ce869ac39856dc
+decbbfb563ecf4609a3148dc789ae77ab1c62768
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
Index: libgo/go/go/internal/gccgoimporter/importer_test.go
===================================================================
--- libgo/go/go/internal/gccgoimporter/importer_test.go (revision 269196)
+++ libgo/go/go/internal/gccgoimporter/importer_test.go (working copy)
@@ -143,17 +143,21 @@ func TestObjImporter(t *testing.T) {
        }
        t.Logf("gccgo version %d.%d", major, minor)
 
-       tmpdir, err := ioutil.TempDir("", "")
+       tmpdir, err := ioutil.TempDir("", "TestObjImporter")
        if err != nil {
                t.Fatal(err)
        }
+       defer os.RemoveAll(tmpdir)
+
        initmap := make(map[*types.Package]InitData)
        imp := GetImporter([]string{tmpdir}, initmap)
 
-       artmpdir, err := ioutil.TempDir("", "")
+       artmpdir, err := ioutil.TempDir("", "TestObjImporter")
        if err != nil {
                t.Fatal(err)
        }
+       defer os.RemoveAll(artmpdir)
+
        arinitmap := make(map[*types.Package]InitData)
        arimp := GetImporter([]string{artmpdir}, arinitmap)
 
@@ -198,8 +202,4 @@ func TestObjImporter(t *testing.T) {
                        t.Fatal(err)
                }
        }
-
-       if err = os.Remove(tmpdir); err != nil {
-               t.Fatal(err)
-       }
 }