From 95d1efb2fd591ffd28ffd015f62fc7012c04bfa9 Mon Sep 17 00:00:00 2001
From: Joshua Litt <joshualitt@google.com>
Date: Wed, 2 Nov 2022 16:45:08 +0000
Subject: [PATCH] [dart2wasm] Fix for double.parse.

Change-Id: Iecd883fb8c9ce7e8da26af95b555add2362fe3b0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/267160
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Commit-Queue: Joshua Litt <joshualitt@google.com>
---
 sdk/lib/_internal/wasm/lib/double.dart | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sdk/lib/_internal/wasm/lib/double.dart b/sdk/lib/_internal/wasm/lib/double.dart
index 431d65903b5..96b2c092fc5 100644
--- a/sdk/lib/_internal/wasm/lib/double.dart
+++ b/sdk/lib/_internal/wasm/lib/double.dart
@@ -29,7 +29,11 @@ class double {
       [@deprecated double onError(String source)?]) {
     double? result = tryParse(source);
     if (result == null) {
-      throw FormatException('Invalid double $source');
+      if (onError == null) {
+        throw FormatException('Invalid double $source');
+      } else {
+        return onError(source);
+      }
     }
     return result;
   }