While the Framers clearly meant that no state constitution or state law should trump the Constitution, there is no possible interpretation to say that it empowers treaties to undo the Constitution.
From the Independence Institute https://i2i.org/can-treaties-override-the-constitution-an-issue-posed-by-bond-v-united-states/
From the Independence Institute https://i2i.org/can-treaties-override-the-constitution-an-issue-posed-by-bond-v-united-states/