Save and restore ExecutionContext for runtime async calls

src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs

@@ -406,5 +406,22 @@ private static Continuation UnwindToPossibleHandler(Continuation continuation)
                     return continuation;
             }
         }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private static ExecutionContext? CaptureExecutionContext()
+        {
+            return Thread.CurrentThreadAssumedInitialized._executionContext;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private static void RestoreExecutionContext(ExecutionContext? previousExecutionCtx)
+        {
+            Thread thread = Thread.CurrentThreadAssumedInitialized;
+            ExecutionContext? currentExecutionCtx = thread._executionContext;
+            if (previousExecutionCtx != currentExecutionCtx)
+            {
+                ExecutionContext.RestoreChangedContextToThread(thread, previousExecutionCtx, currentExecutionCtx);
+            }
+        }
     }
 }

src/coreclr/inc/corinfo.h

@@ -1733,6 +1733,10 @@ struct CORINFO_ASYNC_INFO
     // Whether or not the continuation needs to be allocated through the
     // helper that also takes a method handle
     bool continuationsNeedMethodHandle;
+    // Method handle for AsyncHelpers.CaptureExecutionContext
+    CORINFO_METHOD_HANDLE captureExecutionContextMethHnd;
+    // Method handle for AsyncHelpers.RestoreExecutionContext
+    CORINFO_METHOD_HANDLE restoreExecutionContextMethHnd;
 };
 
 // Flags passed from JIT to runtime.

src/coreclr/inc/jiteeversionguid.h

@@ -37,11 +37,11 @@
 
 #include <minipal/guid.h>
 
-constexpr GUID JITEEVersionIdentifier = { /* 2004006b-bdff-4357-8e60-3ae950a4f165 */
-    0x2004006b,
-    0xbdff,
-    0x4357,
-    {0x8e, 0x60, 0x3a, 0xe9, 0x50, 0xa4, 0xf1, 0x65}
+constexpr GUID JITEEVersionIdentifier = { /* ce8cef5e-261f-469a-b599-9f3f3e8b2448 */
+    0xce8cef5e,
+    0x261f,
+    0x469a,
+    {0xb5, 0x99, 0x9f, 0x3f, 0x3e, 0x8b, 0x24, 0x48}
   };
 
 #endif // JIT_EE_VERSIONING_GUID_H