testing: fix minor bug with mutex profile error message

Change-Id: I92b7a44476cfd9e2f099477b9d7903bbaa2fd8da
Reviewed-on: https://go-review.googlesource.com/c/go/+/173720
Run-TryBot: Caleb Spare <cespare@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

diff --git a/src/testing/testing.go b/src/testing/testing.go
index 8cbb4318fca26942e5ff96c4f7c824d847eefc40..a4681ab95ae79d133e651d45fba79c4f8795af0f 100644 (file)
--- a/src/testing/testing.go
+++ b/src/testing/testing.go
@@ -1287,7 +1287,7 @@ func (m *M) writeProfiles() {
                        os.Exit(2)
                }
                if err = m.deps.WriteProfileTo("mutex", f, 0); err != nil {
-                       fmt.Fprintf(os.Stderr, "testing: can't write %s: %s\n", *blockProfile, err)
+                       fmt.Fprintf(os.Stderr, "testing: can't write %s: %s\n", *mutexProfile, err)
                        os.Exit(2)
                }
                f.Close()