From 8f53987306e34d63da94dfaa66201aa009178e75 Mon Sep 17 00:00:00 2001
From: Jeff Bezanson <jeff.bezanson@gmail.com>
Date: Tue, 7 Jan 2020 15:52:35 -0500
Subject: [PATCH] restrict `div` fallback to `Real` (#34284)

add more-compatible fallback for `divrem`
---
 base/div.jl | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/base/div.jl b/base/div.jl
index 5d91ba5ec19bb..ef85e2fe18b99 100644
--- a/base/div.jl
+++ b/base/div.jl
@@ -116,7 +116,17 @@ julia> divrem(7,3)
 ```
 """
 divrem(x, y) = divrem(x, y, RoundToZero)
-divrem(a, b, r::RoundingMode) = (div(a, b, r), rem(a, b, r))
+function divrem(a, b, r::RoundingMode)
+    if r == RoundToZero
+        # For compat. Remove in 2.0.
+        (div(a, b), rem(a, b))
+    elseif r === RoundDown
+        # For compat. Remove in 2.0.
+        (fld(a, b), mod(a, b))
+    else
+        (div(a, b, r), rem(a, b, r))
+    end
+end
 function divrem(x::Integer, y::Integer, rnd::typeof(RoundNearest))
     (q, r) = divrem(x, y)
     if x >= 0