skip TestBlockGeneric when boring is enabled

patches/0002-Add-crypto-backend-foundation.patch

@@ -23,6 +23,7 @@ Subject: [PATCH] Add crypto backend foundation
  src/crypto/internal/backend/norequirefips.go |   9 ++
  src/crypto/internal/backend/stub.s           |  10 ++
  src/crypto/md5/md5.go                        |   7 +
+ src/crypto/md5/md5_test.go                   |   4 +
  src/crypto/rand/rand_unix.go                 |   2 +-
  src/crypto/rsa/boring.go                     |   4 +-
  src/crypto/rsa/notboring.go                  |   2 +-
@@ -44,7 +45,7 @@ Subject: [PATCH] Add crypto backend foundation
  src/crypto/tls/prf_test.go                   |  12 +-
  src/go/build/deps_test.go                    |   2 +
  src/runtime/runtime_boring.go                |   5 +
- 40 files changed, 454 insertions(+), 65 deletions(-)
+ 41 files changed, 458 insertions(+), 65 deletions(-)
  create mode 100644 src/crypto/internal/backend/backend_test.go
  create mode 100644 src/crypto/internal/backend/bbig/big.go
  create mode 100644 src/crypto/internal/backend/common.go
@@ -565,6 +566,28 @@ index ccee4ea3a9914f..206249f5bf261e 100644
  	var d digest
  	d.Reset()
  	d.Write(data)
+diff --git a/src/crypto/md5/md5_test.go b/src/crypto/md5/md5_test.go
+index 851e7fb10d42f5..f9d1037c9b82b9 100644
+--- a/src/crypto/md5/md5_test.go
++++ b/src/crypto/md5/md5_test.go
+@@ -6,6 +6,7 @@ package md5
+
+ import (
+ 	"bytes"
++	boring "crypto/internal/backend"
+ 	"crypto/rand"
+ 	"encoding"
+ 	"fmt"
+@@ -144,6 +145,9 @@ func TestLarge(t *testing.T) {
+
+ // Tests that blockGeneric (pure Go) and block (in assembly for amd64, 386, arm) match.
+ func TestBlockGeneric(t *testing.T) {
++	if boring.Enabled {
++		t.Skip("digest is not used when boring.Enabled is set")
++	}
+ 	gen, asm := New().(*digest), New().(*digest)
+ 	buf := make([]byte, BlockSize*20) // arbitrary factor
+ 	rand.Read(buf)
 diff --git a/src/crypto/rand/rand_unix.go b/src/crypto/rand/rand_unix.go
 index 40fce36314adfa..1d6231ae91d5ae 100644
 --- a/src/crypto/rand/rand_unix.go