LLVM40 go test failure

FAIL: LLVM :: Bindings/Go/go.test (5353 of 19319)
******************** TEST 'LLVM :: Bindings/Go/go.test' FAILED ********************
Script:
--
/tmp/makepkg/llvm40/src/llvm-4.0.1.src/build/./bin/llvm-go go=/usr/bin/go test llvm.org/llvm/bindings/go/llvm
--
Exit Code: 1

Command Output (stdout):
--
FAIL	llvm.org/llvm/bindings/go/llvm [build failed]

--
Command Output (stderr):
--
# llvm.org/llvm/bindings/go/llvm
/tmp/lit_tmp__e1dE7/gopath480876335/src/llvm.org/llvm/bindings/go/llvm/ir_test.go:34:3: Errorf format %d has arg newattr of wrong type llvm.org/llvm/bindings/go/llvm.Attribute
/tmp/lit_tmp__e1dE7/gopath480876335/src/llvm.org/llvm/bindings/go/llvm/ir_test.go:45:3: Errorf format %d has arg newattr of wrong type llvm.org/llvm/bindings/go/llvm.Attribute

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