runtime: print more information when testCgoPprof fails

Change-Id: I820dae0303959096f0c434b7e69ecb3bf070df09
Reviewed-on: https://go-review.googlesource.com/c/go/+/172197
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/src/runtime/crash_cgo_test.go b/src/runtime/crash_cgo_test.go
index af3c1f82a7528dc63a70e83a2d8266124f7be99a..56cfb0856ea86aa601ba5fe50c9e2f6b5f6dc192 100644 (file)
--- a/src/runtime/crash_cgo_test.go
+++ b/src/runtime/crash_cgo_test.go
@@ -281,7 +281,7 @@ func testCgoPprof(t *testing.T, buildArg, runArg, top, bottom string) {
                        // See Issue 18243 and Issue 19938.
                        t.Skipf("Skipping failing test on Alpine (golang.org/issue/18243). Ignoring error: %v", err)
                }
-               t.Fatal(err)
+               t.Fatalf("%s\n\n%v", got, err)
        }
        fn := strings.TrimSpace(string(got))
        defer os.Remove(fn)