crypto/cipher: wasm: Cannot perform Construct on a neutered ArrayBuffer #31812
Description
I update the js/wasm builder from v8 to v12 and we now see:
https://storage.googleapis.com/go-build-log/643472f1/js-wasm_8d578b31.log
##### Testing packages.
ok archive/tar 5.361s
ok archive/zip 19.521s
ok bufio 5.000s
ok bytes 33.349s
ok compress/bzip2 1.545s
ok compress/flate 6.292s
ok compress/gzip 5.855s
ok compress/lzw 3.224s
ok compress/zlib 4.874s
ok container/heap 4.244s
ok container/list 4.117s
ok container/ring 4.176s
ok context 4.445s
ok crypto 3.836s
ok crypto/aes 3.900s
--- FAIL: TestXOR (0.24s)
panic: JavaScript error: Cannot perform Construct on a neutered ArrayBuffer [recovered]
panic: JavaScript error: Cannot perform Construct on a neutered ArrayBuffer
goroutine 21 [running]:
testing.tRunner.func1(0x468f00)
/workdir/go/src/testing/testing.go:830 +0x38
panic(0x4b6c0, 0x181e020)
/workdir/go/src/runtime/panic.go:619 +0x20
syscall/js.Value.New(0x7ff800030000000d, 0x441dc8, 0x3, 0x3, 0x20)
/workdir/go/src/syscall/js/js.go:357 +0x37
syscall/js.typedArrayOf(0x20340, 0x1810680, 0x29e00)
/workdir/go/src/syscall/js/typedarray.go:85 +0x3d
syscall/js.TypedArrayOf(0x20340, 0x1810680, 0x1a4)
/workdir/go/src/syscall/js/typedarray.go:57 +0x2
crypto/rand.(*reader).Read(0x2390a0, 0x181c1c0, 0x1a4, 0x1a4, 0x1a4, 0x0, 0x0)
/workdir/go/src/crypto/rand/rand_js.go:23 +0x3
io.ReadAtLeast(0x80a00, 0x2390a0, 0x181c1c0, 0x1a4, 0x1a4, 0x1a4, 0x1a4, 0x0, 0x0)
/workdir/go/src/io/io.go:310 +0x6
io.ReadFull(...)
/workdir/go/src/io/io.go:329
crypto/cipher_test.TestXOR(0x468f00)
/workdir/go/src/crypto/cipher/xor_test.go:28 +0x28
testing.tRunner(0x468f00, 0x63528)
/workdir/go/src/testing/testing.go:865 +0xe
created by testing.(*T).Run
/workdir/go/src/testing/testing.go:916 +0x2d
FAIL crypto/cipher 4.573s
ok crypto/des 4.177s
ok crypto/dsa 4.368s
2019/05/02 22:01:34 Failed: exit status 1
Error: tests failed: dist test failed: go_test:crypto/cipher: exit status 1