Explicitly NOMEM if the simdhash add fails due to an out of memory condition

Author: kg

src/coreclr/interpreter/stackmap.cpp

@@ -35,6 +35,8 @@ InterpreterStackMap* GetInterpreterStackMap(ICorJitInfo* jitInfo, CORINFO_CLASS_
         result = new InterpreterStackMap(jitInfo, classHandle);
         dn_simdhash_add_result addResult = dn_simdhash_ptr_ptr_try_add(t_sharedStackMapLookup, classHandle, result);
         assert(addResult == DN_SIMDHASH_ADD_INSERTED);
+        if (addResult == DN_SIMDHASH_OUT_OF_MEMORY)
+            NOMEM();
     }
     return result;
 }