Fixed support for macOS Catalyst for Apple Silicon

Author: terhechte

compiler/rustc_target/src/spec/aarch64_apple_ios_macabi.rs

@@ -4,12 +4,12 @@ use crate::spec::{Target, TargetOptions};
 pub fn target() -> Target {
     let base = opts("ios", Arch::Arm64_macabi);
     Target {
-        llvm_target: "arm64-apple-ios-macabi".to_string(),
+        llvm_target: "arm64-apple-ios14.0-macabi".to_string(),
         pointer_width: 64,
         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
         options: TargetOptions {
-            features: "+neon,+fp-armv8,+apple-a7".to_string(),
+            features: "+neon,+fp-armv8,+apple-a12".to_string(),
             eliminate_frame_pointer: false,
             max_atomic_width: Some(128),
             unsupported_abis: super::arm_base::unsupported_abis(),
@@ -18,11 +18,9 @@ pub fn target() -> Target {
             // These arguments are not actually invoked - they just have
             // to look right to pass App Store validation.
             bitcode_llvm_cmdline: "-triple\0\
-                arm64-apple-ios-macabi\0\
+                arm64-apple-ios14.0-macabi\0\
                 -emit-obj\0\
                 -disable-llvm-passes\0\
-                -target-abi\0\
-                darwinpcs\0\
                 -Os\0"
                 .to_string(),
             ..base