Take newer bogo for go1.14

Another minor go version, another set of breakage.

bogo/.gitignore

@@ -1,2 +1,3 @@
 runner.tar.gz
+testresult.tar.gz
 bogo/

bogo/fetch-and-build

@@ -3,13 +3,17 @@
 set -e
 
 # a known-good commit
-COMMIT=8b60cde1ad8e25d99f9f83fdab9b3542a66217eb
+COMMIT=47a6f5b4bf4d7acd8d5f7d43cb9c94335cec1c60
 
-rm -f runner.tar.gz
+rm -f runner.tar.gz testresult.tar.gz
 wget https://boringssl.googlesource.com/boringssl/+archive/$COMMIT/ssl/test/runner.tar.gz
+wget https://boringssl.googlesource.com/boringssl/+archive/$COMMIT/util/testresult.tar.gz
 mkdir -p bogo
 cd bogo/
+mkdir -p testresult
 tar -xzf ../runner.tar.gz
+( cd testresult && tar -xzf ../../testresult.tar.gz )
 patch -p1 < ../patches/testerrormap.diff
 patch -p1 < ../patches/go-1.13-breakage.diff
+patch -p1 < ../patches/vendor.diff
 go test -c

bogo/patches/vendor.diff

@@ -0,0 +1,38 @@
+diff -u bogo-orig/chacha20_poly1305.go bogo/chacha20_poly1305.go
+--- bogo-orig/chacha20_poly1305.go	2020-04-11 11:09:43.000000000 +0100
++++ bogo/chacha20_poly1305.go	2020-04-11 11:10:59.526200057 +0100
+@@ -20,7 +20,7 @@
+ 	"encoding/binary"
+ 	"errors"
+ 
+-	"boringssl.googlesource.com/boringssl/ssl/test/runner/poly1305"
++	"./poly1305"
+ )
+ 
+ // See RFC 7539.
+diff -u bogo-orig/key_agreement.go bogo/key_agreement.go
+--- bogo-orig/key_agreement.go	2020-04-11 11:09:43.000000000 +0100
++++ bogo/key_agreement.go	2020-04-11 11:10:38.096679513 +0100
+@@ -17,8 +17,8 @@
+ 	"io"
+ 	"math/big"
+ 
+-	"boringssl.googlesource.com/boringssl/ssl/test/runner/curve25519"
+-	"boringssl.googlesource.com/boringssl/ssl/test/runner/hrss"
++	"./curve25519"
++	"./hrss"
+ )
+ 
+ type keyType int
+diff -u bogo-orig/runner.go bogo/runner.go
+--- bogo-orig/runner.go	2020-04-11 11:09:43.000000000 +0100
++++ bogo/runner.go	2020-04-11 11:11:50.662973209 +0100
+@@ -46,7 +46,7 @@
+ 	"syscall"
+ 	"time"
+ 
+-	"boringssl.googlesource.com/boringssl/util/testresult"
++	"./testresult"
+ )
+ 
+ var (