Since the fix is in the CoreCLR VM side, we need to disable the tests in JitStress (as they won't be fixed when the JIT introduces these extra checks when not asking the VM)

Author: jkoritzinsky

src/tests/Interop/IJW/CopyConstructorMarshaler/CopyConstructorMarshaler.cs

@@ -62,6 +62,7 @@ public static int TestEntryPoint()
         }
 
         [Fact]
+        [SkipOnCoreClr("JitStress and MinOpts can introduce extra copies that won't happen in production scenarios.", RuntimeTestModes.JitStress | RuntimeTestModes.JitMinOpts)]
         public static void CopyConstructorsInArgumentStackSlots()
         {
             Assembly ijwNativeDll = Assembly.Load("IjwCopyConstructorMarshaler");
@@ -73,6 +74,7 @@ public static void CopyConstructorsInArgumentStackSlots()
         }
 
         [Fact]
+        [SkipOnCoreClr("JitStress and MinOpts can introduce extra copies that won't happen in production scenarios.", RuntimeTestModes.JitStress | RuntimeTestModes.JitMinOpts)]
         public static void CopyConstructorsInArgumentStackSlotsWithUnsafeValueType()
         {
             Assembly ijwNativeDll = Assembly.Load("IjwCopyConstructorMarshaler");