From f2d2d6f465da338062fee79bddf18a9cf56652fd Mon Sep 17 00:00:00 2001
From: Tim Besard <tim.besard@gmail.com>
Date: Wed, 9 Jan 2019 13:30:02 +0100
Subject: [PATCH] Force specialization of the SubArray boundserror method.

Improves https://github.com/JuliaLang/julia/pull/29867 by avoiding an invoke.
---
 base/subarray.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/base/subarray.jl b/base/subarray.jl
index 2d6f8a709a642..3c3bb89d271f2 100644
--- a/base/subarray.jl
+++ b/base/subarray.jl
@@ -42,7 +42,7 @@ check_parent_index_match(parent, ::NTuple{N, Bool}) where {N} =
 # are inlined
 @inline Base.throw_boundserror(A::SubArray, I) =
     __subarray_throw_boundserror(typeof(A), A.parent, A.indices, A.offset1, A.stride1, I)
-@noinline __subarray_throw_boundserror(T, parent, indices, offset1, stride1, I) =
+@noinline __subarray_throw_boundserror(::Type{T}, parent, indices, offset1, stride1, I) where {T} =
     throw(BoundsError(T(parent, indices, offset1, stride1), I))
 
 # This computes the linear indexing compatibility for a given tuple of indices