From 8c50a443b061d37d3a7cb79fe1a6fda44020b417 Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Fri, 22 Nov 2019 16:15:38 -0500
Subject: [PATCH] use bitwise comparison

---
 src/compiler/compile/render_dom/Renderer.ts      | 2 +-
 test/runtime/samples/bitmask-overflow/_config.js | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/compiler/compile/render_dom/Renderer.ts b/src/compiler/compile/render_dom/Renderer.ts
index 90c4aec234..058746d4e9 100644
--- a/src/compiler/compile/render_dom/Renderer.ts
+++ b/src/compiler/compile/render_dom/Renderer.ts
@@ -236,7 +236,7 @@ export default class Renderer {
 						.map((bits, i) => ({ bits, i }))
 						.filter(({ bits }) => bits)
 						.map(({ bits, i }) => x`${dirty}[${i}] & ${bits}`)
-						.reduce((lhs, rhs) => x`${lhs} || ${rhs}`);
+						.reduce((lhs, rhs) => x`${lhs} | ${rhs}`);
 
 					({ operator, left, right } = expression);
 				} else {
diff --git a/test/runtime/samples/bitmask-overflow/_config.js b/test/runtime/samples/bitmask-overflow/_config.js
index fdd7bff813..ada3195c81 100644
--- a/test/runtime/samples/bitmask-overflow/_config.js
+++ b/test/runtime/samples/bitmask-overflow/_config.js
@@ -109,12 +109,12 @@ export default {
 
 		assert.deepEqual(component.reads, {
 			_0: 1,
-			_5: 2,
+			_5: 3,
 			_6: 3,
 			_30: 1,
 			_31: 1,
 			_32: 1,
-			_36: 2,
+			_36: 3,
 			_37: 3,
 			_40: 1
 		});