From a04b0e57f148698d091c90392901ce92fd0c5623 Mon Sep 17 00:00:00 2001
From: Karl <5254025+karwa@users.noreply.github.com>
Date: Tue, 4 Oct 2022 19:56:35 +0200
Subject: [PATCH] [TSan] Work around a bug in TSan

---
 Sources/WebURL/IPAddress.swift              | 6 ++++++
 Sources/WebURL/Parser/ValidationError.swift | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/Sources/WebURL/IPAddress.swift b/Sources/WebURL/IPAddress.swift
index 0fb3aa33d..4af635c3f 100644
--- a/Sources/WebURL/IPAddress.swift
+++ b/Sources/WebURL/IPAddress.swift
@@ -33,6 +33,12 @@ internal protocol IPAddressParserCallback {
 @usableFromInline
 internal struct IgnoreIPAddressParserErrors: IPAddressParserCallback {
 
+  #if DEBUG
+    // TSan encounters internal errors when passing empty structs around 'inout'.
+    // See: https://github.com/apple/swift/issues/61073 and https://github.com/apple/swift/issues/56405
+    let _tsanBugWorkaround = true
+  #endif
+
   @inlinable
   internal init() {}
 
diff --git a/Sources/WebURL/Parser/ValidationError.swift b/Sources/WebURL/Parser/ValidationError.swift
index 4e1e0a560..21b6f7b0e 100644
--- a/Sources/WebURL/Parser/ValidationError.swift
+++ b/Sources/WebURL/Parser/ValidationError.swift
@@ -39,6 +39,12 @@ internal protocol URLParserCallback {
 @usableFromInline
 internal struct IgnoreValidationErrors: URLParserCallback {
 
+  #if DEBUG
+    // TSan encounters internal errors when passing empty structs around 'inout'.
+    // See: https://github.com/apple/swift/issues/61073 and https://github.com/apple/swift/issues/56405
+    let _tsanBugWorkaround = true
+  #endif
+
   @inlinable @inline(__always)
   internal init() {}