From b2e2bd2f9d87f52366047b7c22246292db693d56 Mon Sep 17 00:00:00 2001
From: Alastair Houghton <ahoughton@apple.com>
Date: Mon, 1 Sep 2025 17:04:05 +0100
Subject: [PATCH] [Reflection] Fix task reflection to strip signed pointers.

The task resume context may be signed, so we should strip the pointer
before trying to read through it.

rdar://158728756
---
 include/swift/RemoteInspection/ReflectionContext.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/swift/RemoteInspection/ReflectionContext.h b/include/swift/RemoteInspection/ReflectionContext.h
index c7526d41c6b23..ac475a82930e4 100644
--- a/include/swift/RemoteInspection/ReflectionContext.h
+++ b/include/swift/RemoteInspection/ReflectionContext.h
@@ -1857,7 +1857,10 @@ class ReflectionContext
           RemoteAddress(RecordObj->Parent, RemoteAddress::DefaultAddressSpace);
     }
 
-    const auto TaskResumeContext = AsyncTaskObj->ResumeContextAndReserved[0];
+    const auto TaskResumeContext = stripSignedPointer(
+      RemoteAddress(AsyncTaskObj->ResumeContextAndReserved[0],
+                    RemoteAddress::DefaultAddressSpace)
+    ).getRawAddress();
     Info.ResumeAsyncContext = TaskResumeContext;
 
     // Walk the async backtrace.