Fix

src/coreclr/tools/aot/ILCompiler.Compiler/IL/ILImporter.Scanner.cs

@@ -1386,6 +1386,19 @@ private DefType GetWellKnownType(WellKnownType wellKnownType)
             return _compilation.TypeSystemContext.GetWellKnownType(wellKnownType);
         }
 
+        private static void ImportConvert(WellKnownType wellKnownType, bool checkOverflow, bool unsigned)
+        {
+            if (checkOverflow)
+            {
+                _dependencies.Add(GetHelperEntrypoint(ReadyToRunHelper.Dbl2IntOvf), "_dbl2intovf");
+                _dependencies.Add(GetHelperEntrypoint(ReadyToRunHelper.Dbl2UIntOvf), "_dbl2uintovf");
+                _dependencies.Add(GetHelperEntrypoint(ReadyToRunHelper.Dbl2LngOvf), "_dbl2lngovf");
+                _dependencies.Add(GetHelperEntrypoint(ReadyToRunHelper.Dbl2ULngOvf), "_dbl2ulngovf");
+
+                _dependencies.Add(GetHelperEntrypoint(ReadyToRunHelper.Overflow), "_ovf");
+            }
+        }
+
         private static void ImportNop() { }
         private static void ImportBreak() { }
         private static void ImportLoadVar(int index, bool argument) { }
@@ -1403,7 +1416,6 @@ private static void ImportStoreIndirect(int token) { }
         private static void ImportStoreIndirect(TypeDesc type) { }
         private static void ImportShiftOperation(ILOpcode opcode) { }
         private static void ImportCompareOperation(ILOpcode opcode) { }
-        private static void ImportConvert(WellKnownType wellKnownType, bool checkOverflow, bool unsigned) { }
         private static void ImportUnaryOperation(ILOpcode opCode) { }
         private static void ImportCpOpj(int token) { }
         private static void ImportCkFinite() { }