From 37c9b97bc4a62518dead2cea0ec5c45d2ef7be64 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Fri, 3 Mar 2017 03:27:49 +0000
Subject: [PATCH] compiler.types: add missing TTuple.__hash__ implementation.

---
 artiq/compiler/types.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/artiq/compiler/types.py b/artiq/compiler/types.py
index e1781116e..17d7f1049 100644
--- a/artiq/compiler/types.py
+++ b/artiq/compiler/types.py
@@ -194,6 +194,9 @@ class TTuple(Type):
     def __ne__(self, other):
         return not (self == other)
 
+    def __hash__(self):
+        return hash(tuple(self.elts))
+
 class _TPointer(TMono):
     def __init__(self):
         super().__init__("pointer")