llvm/clang/test/Driver/darwin-ld-demangle.c

// On Darwin, -demangle is passed to the linker of HOST_LINK_VERSION
// is high enough. It is assumed to be high enough on systems where
// this test gets run.

// RUN: %clang -### --target=arm64-apple-darwin %s 2>&1 | FileCheck %s
// CHECK: -demangle