diff --git a/src/coreclr/inc/corjit.h b/src/coreclr/inc/corjit.h
index 3c02853b1cfa0b..bf17388fd4bb64 100644
--- a/src/coreclr/inc/corjit.h
+++ b/src/coreclr/inc/corjit.h
@@ -32,13 +32,14 @@
 // These are error codes returned by CompileMethod
 enum CorJitResult
 {
-    CORJIT_OK            =     0,
-    CORJIT_BADCODE       =     (JITINTERFACE_HRESULT)0x80000001,
-    CORJIT_OUTOFMEM      =     (JITINTERFACE_HRESULT)0x80000002,
-    CORJIT_INTERNALERROR =     (JITINTERFACE_HRESULT)0x80000003,
-    CORJIT_SKIPPED       =     (JITINTERFACE_HRESULT)0x80000004,
-    CORJIT_RECOVERABLEERROR =  (JITINTERFACE_HRESULT)0x80000005,
-    CORJIT_IMPLLIMITATION=     (JITINTERFACE_HRESULT)0x80000006,
+    CORJIT_OK               = 0,
+    CORJIT_BADCODE          = (JITINTERFACE_HRESULT)0x80000001,
+    CORJIT_OUTOFMEM         = (JITINTERFACE_HRESULT)0x80000002,
+    CORJIT_INTERNALERROR    = (JITINTERFACE_HRESULT)0x80000003,
+    CORJIT_SKIPPED          = (JITINTERFACE_HRESULT)0x80000004,
+    CORJIT_RECOVERABLEERROR = (JITINTERFACE_HRESULT)0x80000005,
+    CORJIT_IMPLLIMITATION   = (JITINTERFACE_HRESULT)0x80000006,
+    CORJIT_R2R_UNSUPPORTED  = (JITINTERFACE_HRESULT)0x80000007,
 };
 
 /*****************************************************************************/
diff --git a/src/coreclr/inc/jiteeversionguid.h b/src/coreclr/inc/jiteeversionguid.h
index b1e4ab8c49fb07..75e98a796a949c 100644
--- a/src/coreclr/inc/jiteeversionguid.h
+++ b/src/coreclr/inc/jiteeversionguid.h
@@ -37,11 +37,11 @@
 
 #include <minipal/guid.h>
 
-constexpr GUID JITEEVersionIdentifier = { /* db46fd97-a8e8-4bda-9cec-d7feb061154c */
-    0xdb46fd97,
-    0xa8e8,
-    0x4bda,
-    {0x9c, 0xec, 0xd7, 0xfe, 0xb0, 0x61, 0x15, 0x4c}
+constexpr GUID JITEEVersionIdentifier = { /* d98b5b0d-dd75-4e4d-b950-0d1cafd01dea */
+    0xd98b5b0d,
+    0xdd75,
+    0x4e4d,
+    {0xb9, 0x50, 0x0d, 0x1c, 0xaf, 0xd0, 0x1d, 0xea}
   };
 
 #endif // JIT_EE_VERSIONING_GUID_H
diff --git a/src/coreclr/jit/compiler.cpp b/src/coreclr/jit/compiler.cpp
index 2336eeeabbdfa0..f2ea29dd8ccef0 100644
--- a/src/coreclr/jit/compiler.cpp
+++ b/src/coreclr/jit/compiler.cpp
@@ -7706,7 +7706,8 @@ int jitNativeCode(CORINFO_METHOD_HANDLE methodHnd,
     result = param.result;
 
 if (!inlineInfo &&
-    (result == CORJIT_INTERNALERROR || result == CORJIT_RECOVERABLEERROR || result == CORJIT_IMPLLIMITATION) &&
+    (result == CORJIT_INTERNALERROR || result == CORJIT_RECOVERABLEERROR || result == CORJIT_IMPLLIMITATION ||
+     result == CORJIT_R2R_UNSUPPORTED) &&
     !jitFallbackCompile)
 {
     // If we failed the JIT, reattempt with debuggable code.
diff --git a/src/coreclr/jit/compiler.h b/src/coreclr/jit/compiler.h
index 0cf381b8b2dc85..0b7048eba62798 100644
--- a/src/coreclr/jit/compiler.h
+++ b/src/coreclr/jit/compiler.h
@@ -8480,7 +8480,7 @@ class Compiler
         {
             if (mustExpand)
             {
-                implLimitation();
+                implReadyToRunUnsupported();
             }
             return true;
         }
diff --git a/src/coreclr/jit/error.cpp b/src/coreclr/jit/error.cpp
index afd74afac25064..cb7d1c88481d3f 100644
--- a/src/coreclr/jit/error.cpp
+++ b/src/coreclr/jit/error.cpp
@@ -77,6 +77,12 @@ void DECLSPEC_NORETURN implLimitation()
     fatal(CORJIT_IMPLLIMITATION);
 }
 
+/*****************************************************************************/
+void DECLSPEC_NORETURN implReadyToRunUnsupported()
+{
+    fatal(CORJIT_R2R_UNSUPPORTED);
+}
+
 /*****************************************************************************/
 void DECLSPEC_NORETURN NOMEM()
 {
diff --git a/src/coreclr/jit/error.h b/src/coreclr/jit/error.h
index 8bbd5cac3889e9..5692730cd4b6b0 100644
--- a/src/coreclr/jit/error.h
+++ b/src/coreclr/jit/error.h
@@ -66,6 +66,7 @@ extern void DECLSPEC_NORETURN badCode();
 extern void DECLSPEC_NORETURN badCode3(const char* msg, const char* msg2, int arg, _In_z_ const char* file, unsigned line);
 extern void DECLSPEC_NORETURN noWay();
 extern void DECLSPEC_NORETURN implLimitation();
+extern void DECLSPEC_NORETURN implReadyToRunUnsupported();
 extern void DECLSPEC_NORETURN NOMEM();
 extern void DECLSPEC_NORETURN fatal(int errCode);
 
diff --git a/src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs b/src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs
index 49a70a4085a0d8..b230a62e092ae7 100644
--- a/src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs
+++ b/src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs
@@ -381,7 +381,7 @@ private CompilationResult CompileMethodInternal(IMethodNode methodCodeNodeNeedin
             {
                 ThrowHelper.ThrowInvalidProgramException();
             }
-            if (result == CorJitResult.CORJIT_IMPLLIMITATION)
+            if (result == CorJitResult.CORJIT_IMPLLIMITATION || result == CorJitResult.CORJIT_R2R_UNSUPPORTED)
             {
 #if READYTORUN
                 throw new RequiresRuntimeJitException("JIT implementation limitation");
diff --git a/src/coreclr/tools/Common/JitInterface/CorInfoTypes.cs b/src/coreclr/tools/Common/JitInterface/CorInfoTypes.cs
index 29d780fbefce86..edbcb331cf2058 100644
--- a/src/coreclr/tools/Common/JitInterface/CorInfoTypes.cs
+++ b/src/coreclr/tools/Common/JitInterface/CorInfoTypes.cs
@@ -1467,6 +1467,7 @@ public enum CorJitResult
         CORJIT_SKIPPED = unchecked((int)0x80000004),
         CORJIT_RECOVERABLEERROR = unchecked((int)0x80000005),
         CORJIT_IMPLLIMITATION = unchecked((int)0x80000006),
+        CORJIT_R2R_UNSUPPORTED = unchecked((int)0x80000007),
     };
 
     public enum TypeCompareState
diff --git a/src/coreclr/tools/superpmi/superpmi/jitinstance.cpp b/src/coreclr/tools/superpmi/superpmi/jitinstance.cpp
index 5caefae5767fa0..753452a80a4b2d 100644
--- a/src/coreclr/tools/superpmi/superpmi/jitinstance.cpp
+++ b/src/coreclr/tools/superpmi/superpmi/jitinstance.cpp
@@ -334,7 +334,7 @@ ReplayResults JitInstance::CompileMethod(MethodContext* MethodToCompile, int mcI
             }
         }
 
-        if ((jitResult == CORJIT_OK) || (jitResult == CORJIT_BADCODE))
+        if ((jitResult == CORJIT_OK) || (jitResult == CORJIT_BADCODE) || (jitResult == CORJIT_R2R_UNSUPPORTED))
         {
             // capture the results of compilation
             pParam->pThis->mc->cr->recCompileMethod(&NEntryBlock, &NCodeSizeBlock, jitResult);
diff --git a/src/coreclr/vm/jitinterface.cpp b/src/coreclr/vm/jitinterface.cpp
index f481c7b3d3d200..8254617caef995 100644
--- a/src/coreclr/vm/jitinterface.cpp
+++ b/src/coreclr/vm/jitinterface.cpp
@@ -13148,6 +13148,7 @@ void ThrowExceptionForJit(HRESULT res)
 
         case CORJIT_BADCODE:
         case CORJIT_IMPLLIMITATION:
+        case CORJIT_R2R_UNSUPPORTED:
         default:
             COMPlusThrow(kInvalidProgramException);
             break;