From d98803f180e7d375914accdb380bc65fb67f6812 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 5 Mar 2026 23:01:48 +0000
Subject: [PATCH 1/3] Initial plan


From f9fd78dcd6f2e89b191d3942260f23c4ab60cf0f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 5 Mar 2026 23:14:46 +0000
Subject: [PATCH 2/3] Mark Runtime_76219 test as CLRTestTargetUnsupported to
 fix osx arm64 GC stress failures

Co-authored-by: jkoritzinsky <1571408+jkoritzinsky@users.noreply.github.com>
---
 .../GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj b/src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj
index aefac61c542f2b..0a35c638c37187 100644
--- a/src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj
+++ b/src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj
@@ -5,6 +5,9 @@
     <Optimize>True</Optimize>
     <!-- Move it out of CI for 78899 -->
     <CLRTestPriority>1</CLRTestPriority>
+    <!-- Test crashes on osx arm64 under GC stress even though the test body is skipped via ActiveIssue.
+         Mark as unsupported until https://github.com/dotnet/runtime/issues/78899 is resolved. -->
+    <CLRTestTargetUnsupported>true</CLRTestTargetUnsupported>
 
     <!-- This test needs GCStress mode but it doesn't take long to execute
          so is fine to keep it in the inner loop -->

From da109a0f3f1fa702b97fed78bdaf15067dfa124a Mon Sep 17 00:00:00 2001
From: Jan Kotas <jkotas@microsoft.com>
Date: Thu, 5 Mar 2026 19:15:31 -0800
Subject: [PATCH 3/3] Update
 src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj

---
 .../GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj b/src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj
index 0a35c638c37187..657d4ca65cbad7 100644
--- a/src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj
+++ b/src/tests/GC/Regressions/Github/Runtime_76219/Runtime_76219.csproj
@@ -5,8 +5,8 @@
     <Optimize>True</Optimize>
     <!-- Move it out of CI for 78899 -->
     <CLRTestPriority>1</CLRTestPriority>
-    <!-- Test crashes on osx arm64 under GC stress even though the test body is skipped via ActiveIssue.
-         Mark as unsupported until https://github.com/dotnet/runtime/issues/78899 is resolved. -->
+    <!-- Test crashes on osx arm64 under GC stress even though the test body is skipped via ActiveIssue. -->
+    <!-- ActiveIssue https://github.com/dotnet/runtime/issues/78899 -->
     <CLRTestTargetUnsupported>true</CLRTestTargetUnsupported>
 
     <!-- This test needs GCStress mode but it doesn't take long to execute