[stable/21.x] Specify -swift-version whenever -emit-module-interface-path is specified#11404

tshortli merged 1 commit intoswiftlang:stable/21.xswiftlang/llvm-project:stable/21.xfrom

tshortli:require-swift-version-for-emit-module-interface-21.xtshortli/apple-llvm-project:require-swift-version-for-emit-module-interface-21.xCopy head branch name to clipboard