From 27478643ba8cef82a2cd6c4a5346e5d5446b425a Mon Sep 17 00:00:00 2001
From: "Steven G. Johnson" <stevenj@mit.edu>
Date: Fri, 7 Nov 2014 15:31:56 -0500
Subject: [PATCH] add comment to prevent #6058 from recurring (see commit
 4b4565fdd68f2fb1ab839ab409963a19201df1d4)

---
 base/string.jl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/base/string.jl b/base/string.jl
index 07100f2b1d3a4..7640a53940c57 100644
--- a/base/string.jl
+++ b/base/string.jl
@@ -661,6 +661,7 @@ const memhash_seed = UInt === UInt64 ? 0x71e729fd56419c81 : 0x56419c81
 
 function hash{T<:ByteString}(s::Union(T,SubString{T}), h::UInt)
     h += memhash_seed
+    # note: use pointer(s) here (see #6058).
     ccall(memhash, UInt, (Ptr{UInt8}, Csize_t, UInt32), pointer(s), sizeof(s), h % UInt32) + h
 end
 hash(s::AbstractString, h::UInt) = hash(bytestring(s), h)