rustc-ap-rustc_target 727.0.0

Automatically published version of the package `rustc_target` in the rust-lang/rust repository from commit 9a27044f42ace9eb652781b53f598e25d4e7e918 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish 
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use crate::spec::{FramePointer, LinkerFlavor, SanitizerSet, Target, TargetOptions};

pub fn target() -> Target {
    let mut base = super::apple_base::opts("macos");
    base.cpu = "apple-a12".to_string();
    base.max_atomic_width = Some(128);
    base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::THREAD;

    base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-arch".to_string(), "arm64".to_string()]);
    base.link_env_remove.extend(super::apple_base::macos_link_env_remove());

    // Clang automatically chooses a more specific target based on
    // MACOSX_DEPLOYMENT_TARGET.  To enable cross-language LTO to work
    // correctly, we do too.
    let arch = "aarch64";
    let llvm_target = super::apple_base::macos_llvm_target(&arch);

    Target {
        llvm_target,
        pointer_width: 64,
        data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
        arch: arch.to_string(),
        options: TargetOptions {
            mcount: "\u{1}mcount".to_string(),
            frame_pointer: FramePointer::NonLeaf,
            ..base
        },
    }
}