TestBucket_Put_ValueTooLarge: out of memory

[aviau]

Hello!

I am getting failing tests on i386:

=== RUN   TestBucket_Put_ValueTooLarge
runtime: out of memory: cannot allocate 2147483648-byte block (10485760 in use)
fatal error: out of memory

runtime stack:
runtime.throw(0x81d8258, 0xd)
	/usr/lib/go-1.8/src/runtime/panic.go:596 +0x7c
runtime.largeAlloc(0x7fffffff, 0x18520001, 0x18500a50)
	/usr/lib/go-1.8/src/runtime/malloc.go:809 +0xdb
runtime.mallocgc.func1()
	/usr/lib/go-1.8/src/runtime/malloc.go:702 +0x31
runtime.systemstack(0x18521500)
	/usr/lib/go-1.8/src/runtime/asm_386.s:337 +0x5e
runtime.mstart()
	/usr/lib/go-1.8/src/runtime/proc.go:1132

goroutine 127 [running]:
runtime.systemstack_switch()
	/usr/lib/go-1.8/src/runtime/asm_386.s:291 fp=0x189596b0 sp=0x189596ac
runtime.mallocgc(0x7fffffff, 0x81b27e0, 0x81d6101, 0x3)
	/usr/lib/go-1.8/src/runtime/malloc.go:703 +0x6c7 fp=0x18959700 sp=0x189596b0
runtime.makeslice(0x81b27e0, 0x7fffffff, 0x7fffffff, 0x18de1418, 0x3, 0x8)
	/usr/lib/go-1.8/src/runtime/slice.go:54 +0x5d fp=0x18959724 sp=0x18959700
github.com/boltdb/bolt_test.TestBucket_Put_ValueTooLarge.func1(0x18d8ca80, 0x81e2668, 0x18d8ca80)
	/build/golang-github-boltdb-bolt-1.3.1/obj-i686-linux-gnu/src/github.com/boltdb/bolt/bucket_test.go:1127 +0x10d fp=0x18959778 sp=0x18959724
github.com/boltdb/bolt.(*DB).Update(0x1856f9e0, 0x189597b0, 0x0, 0x0)
	/build/golang-github-boltdb-bolt-1.3.1/obj-i686-linux-gnu/src/github.com/boltdb/bolt/db.go:598 +0x83 fp=0x1895979c sp=0x18959778
github.com/boltdb/bolt_test.TestBucket_Put_ValueTooLarge(0x18d8ca00)
	/build/golang-github-boltdb-bolt-1.3.1/obj-i686-linux-gnu/src/github.com/boltdb/bolt/bucket_test.go:1131 +0xc1 fp=0x189597d4 sp=0x1895979c
testing.tRunner(0x18d8ca00, 0x81e2800)
	/usr/lib/go-1.8/src/testing/testing.go:657 +0x7e fp=0x189597e8 sp=0x189597d4
runtime.goexit()
	/usr/lib/go-1.8/src/runtime/asm_386.s:1629 +0x1 fp=0x189597ec sp=0x189597e8
created by testing.(*T).Run
	/usr/lib/go-1.8/src/testing/testing.go:697 +0x242

goroutine 1 [chan receive]:
testing.(*T).Run(0x1857a580, 0x81dcc7c, 0x1c, 0x81e2800, 0x80a6e01)
	/usr/lib/go-1.8/src/testing/testing.go:698 +0x263
testing.runTests.func1(0x1857a580)
	/usr/lib/go-1.8/src/testing/testing.go:882 +0x4d
testing.tRunner(0x1857a580, 0x1853bee4)
	/usr/lib/go-1.8/src/testing/testing.go:657 +0x7e
testing.runTests(0x1850aac0, 0x829a220, 0x90, 0x90, 0x1857a518)
	/usr/lib/go-1.8/src/testing/testing.go:888 +0x238
testing.(*M).Run(0x18542f98, 0x1853bf7c)
	/usr/lib/go-1.8/src/testing/testing.go:822 +0xc0
main.main()
	github.com/boltdb/bolt/_test/_testmain.go:364 +0xe8
exit status 2
FAIL	github.com/boltdb/bolt	4.843s