From e6ec2a34dc1e1c319588fb0cb449abf55291977f Mon Sep 17 00:00:00 2001
From: Cherry Mui <cherryyz@google.com>
Date: Wed, 5 Jul 2023 16:03:55 -0400
Subject: [PATCH] runtime: print output on failure in TestMemPprof

If running testprog fails, print the output.

For #60901.

Change-Id: Iee80fb09412ce13bae6ac3589779a8cdf7761765
Reviewed-on: https://go-review.googlesource.com/c/go/+/507978
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Cherry Mui <cherryyz@google.com>
---
 src/runtime/crash_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/crash_test.go b/src/runtime/crash_test.go
index cd978cc34b..8f11333b46 100644
--- a/src/runtime/crash_test.go
+++ b/src/runtime/crash_test.go
@@ -534,7 +534,7 @@ func TestMemPprof(t *testing.T) {
 
 	got, err := testenv.CleanCmdEnv(exec.Command(exe, "MemProf")).CombinedOutput()
 	if err != nil {
-		t.Fatal(err)
+		t.Fatalf("testprog failed: %s, output:\n%s", err, got)
 	}
 	fn := strings.TrimSpace(string(got))
 	defer os.Remove(fn)
-- 
2.50.0