From 001433992cf9ae1b4b4057cbe9d3e09cdd782e28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=96mer=20Sinan=20A=C4=9Facan?= <omersa@google.com>
Date: Mon, 12 Dec 2022 17:09:00 +0000
Subject: [PATCH] [dart2wasm] Fix isNegative on NaN values
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New passing tests:

- co19/LibTest/core/double/isNegative_A01_t01
- corelib/nan_infinity_test/01
- corelib/nan_infinity_test/none
- language/unsorted/intrinsified_methods_test

Change-Id: I379525fe0da36d6fc365d275ded9370f2b5b4812
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/274541
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Commit-Queue: Ömer Ağacan <omersa@google.com>
---
 sdk/lib/_internal/wasm/lib/double.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sdk/lib/_internal/wasm/lib/double.dart b/sdk/lib/_internal/wasm/lib/double.dart
index 4e592e6c445..31b8a9cd2c2 100644
--- a/sdk/lib/_internal/wasm/lib/double.dart
+++ b/sdk/lib/_internal/wasm/lib/double.dart
@@ -137,6 +137,9 @@ class _BoxedDouble extends double {
   bool operator <=(num other) => this <= other.toDouble(); // Intrinsic <=
 
   bool get isNegative {
+    if (isNaN) {
+      return false;
+    }
     int bits = doubleToIntBits(this);
     return (bits & _signMask) != 0;
   }