From ac0d35626cb6e989240bad9414b1fd23c28064f8 Mon Sep 17 00:00:00 2001
From: Mike Innes <mike.j.innes@gmail.com>
Date: Tue, 6 Mar 2018 19:47:52 +0000
Subject: [PATCH] don't go into inference

---
 src/trace.jl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/trace.jl b/src/trace.jl
index 1c63b54..f88875c 100644
--- a/src/trace.jl
+++ b/src/trace.jl
@@ -12,7 +12,8 @@ const ignored_methods = [@which((1,2)[1])]
 @primitive ctx::Trace function (f::Any)(args...)
   C, T = Call(f, args...), typeof.((f, args...))
   (T ∈ ctx.seen || isprimitive(f) ||
-    method(C) ∈ ignored_methods) && return f(args...)
+    method(C) ∈ ignored_methods ||
+    method(C).module == Core.Inference) && return f(args...)
   push!(ctx.seen, T)
   result = overdub(ctx, f, args...)
   analyse((a...) -> ctx.warn(Warning(a...)), C)