Disable tiered compilation for MethodDescs with m_interpreterCode populated

Author: kg

src/coreclr/vm/method.hpp

@@ -2231,6 +2231,10 @@ class PrepareCodeConfig
     bool ShouldCountCalls() const
     {
         WRAPPER_NO_CONTRACT;
+#ifdef FEATURE_INTERPRETER
+        if (m_pMethodDesc->GetInterpreterCode())
+            return false;
+#endif
         return m_shouldCountCalls;
     }
 

src/coreclr/vm/method.inl

@@ -19,6 +19,12 @@ inline bool MethodDesc::IsEligibleForTieredCompilation()
 inline bool MethodDesc::IsEligibleForTieredCompilation_NoCheckMethodDescChunk()
 {
     LIMITED_METHOD_DAC_CONTRACT;
+#ifndef DACCESS_COMPILE
+#ifdef FEATURE_INTERPRETER
+    if (m_interpreterCode)
+        return false;
+#endif
+#endif
 
     // Just like above, but without the assert. This is used in the path which initializes the flag.
 #ifdef FEATURE_TIERED_COMPILATION