From f4833511bafcdab9fad33f3333e892c56d3eb46d Mon Sep 17 00:00:00 2001
From: Andrew Au <andrewau@microsoft.com>
Date: Thu, 26 Jan 2023 15:27:07 -0800
Subject: [PATCH] Fix special sweep issue for workstation

---
 src/coreclr/gc/gc.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/coreclr/gc/gc.cpp b/src/coreclr/gc/gc.cpp
index 4f23aabbddbba6..d4d315a3eb55c2 100644
--- a/src/coreclr/gc/gc.cpp
+++ b/src/coreclr/gc/gc.cpp
@@ -30515,6 +30515,13 @@ void gc_heap::plan_phase (int condemned_gen_number)
         gc_time_info[time_plan] = gc_time_info[time_sweep] - gc_time_info[time_plan];
     }
 #endif //FEATURE_EVENT_TRACE
+
+#ifdef USE_REGIONS
+    if (special_sweep_p)
+    {
+        should_compact = FALSE;
+    }
+#endif //!USE_REGIONS
 #endif //MULTIPLE_HEAPS
 
 #ifdef FEATURE_LOH_COMPACTION