add coverage for target specific value

Signed-off-by: onur-ozkan <[email protected]>

Author: onur-ozkan

src/bootstrap/src/core/config/tests.rs

@@ -120,13 +120,15 @@ fn override_toml() {
             "--set=change-id=1".to_owned(),
             "--set=rust.lto=fat".to_owned(),
             "--set=rust.deny-warnings=false".to_owned(),
+            "--set=build.optimized-compiler-builtins=true".to_owned(),
             "--set=build.gdb=\"bar\"".to_owned(),
             "--set=build.tools=[\"cargo\"]".to_owned(),
             "--set=llvm.build-config={\"foo\" = \"bar\"}".to_owned(),
             "--set=target.x86_64-unknown-linux-gnu.runner=bar".to_owned(),
             "--set=target.x86_64-unknown-linux-gnu.rpath=false".to_owned(),
             "--set=target.aarch64-unknown-linux-gnu.sanitizers=false".to_owned(),
             "--set=target.aarch64-apple-darwin.runner=apple".to_owned(),
+            "--set=target.aarch64-apple-darwin.optimized-compiler-builtins=false".to_owned(),
         ]),
         |&_| {
             toml::from_str(
@@ -167,6 +169,7 @@ runner = "x86_64-runner"
     );
     assert_eq!(config.gdb, Some("bar".into()), "setting string value with quotes");
     assert!(!config.deny_warnings, "setting boolean value");
+    assert!(config.optimized_compiler_builtins, "setting boolean value");
     assert_eq!(
         config.tools,
         Some(["cargo".to_string()].into_iter().collect()),
@@ -193,7 +196,11 @@ runner = "x86_64-runner"
         ..Default::default()
     };
     let darwin = TargetSelection::from_user("aarch64-apple-darwin");
-    let darwin_values = Target { runner: Some("apple".into()), ..Default::default() };
+    let darwin_values = Target {
+        runner: Some("apple".into()),
+        optimized_compiler_builtins: Some(false),
+        ..Default::default()
+    };
     assert_eq!(
         config.target_config,
         [(x86_64, x86_64_values), (aarch64, aarch64_values), (darwin, darwin_values)]