Merge commit '49cd5dd454d0115cfbe9e39102a8b3ba4616aa40' into sync_cg_clif-2024-06-30

2 files changed, 4 insertions, 67 deletions

diff --git a/compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs b/compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs
index 196ff8fda75..dfbe0f51e7b 100644
--- a/compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs
+++ b/compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs
@@ -267,10 +267,6 @@ fn build_clif_sysroot_for_triple(
             prefix.to_str().unwrap()
         ));
     }
-    rustflags.push("-Zunstable-options".to_owned());
-    for (name, values) in EXTRA_CHECK_CFGS {
-        rustflags.push(check_cfg_arg(name, *values));
-    }
     compiler.rustflags.extend(rustflags);
     let mut build_cmd = STANDARD_LIBRARY.build(&compiler, dirs);
     if channel == "release" {
@@ -330,34 +326,3 @@ fn build_rtstartup(dirs: &Dirs, compiler: &Compiler) -> Option<SysrootTarget> {
 
     Some(target_libs)
 }
-
-// Copied from https://github.com/rust-lang/rust/blob/4fd98a4b1b100f5329c6efae18031791f64372d2/src/bootstrap/src/utils/helpers.rs#L569-L585
-/// Create a `--check-cfg` argument invocation for a given name
-/// and it's values.
-fn check_cfg_arg(name: &str, values: Option<&[&str]>) -> String {
-    // Creating a string of the values by concatenating each value:
-    // ',values("tvos","watchos")' or '' (nothing) when there are no values.
-    let next = match values {
-        Some(values) => {
-            let mut tmp = values.iter().flat_map(|val| [",", "\"", val, "\""]).collect::<String>();
-
-            tmp.insert_str(1, "values(");
-            tmp.push(')');
-            tmp
-        }
-        None => "".to_string(),
-    };
-    format!("--check-cfg=cfg({name}{next})")
-}
-
-const EXTRA_CHECK_CFGS: &[(&str, Option<&[&str]>)] = &[
-    ("bootstrap", None),
-    ("stdarch_intel_sde", None),
-    ("no_fp_fmt_parse", None),
-    ("no_global_oom_handling", None),
-    ("no_rc", None),
-    ("no_sync", None),
-    ("netbsd10", None),
-    ("backtrace_in_libstd", None),
-    ("target_arch", Some(&["xtensa"])),
-];
diff --git a/compiler/rustc_codegen_cranelift/build_system/tests.rs b/compiler/rustc_codegen_cranelift/build_system/tests.rs
index 278f334796a..790d9cbd9fc 100644
--- a/compiler/rustc_codegen_cranelift/build_system/tests.rs
+++ b/compiler/rustc_codegen_cranelift/build_system/tests.rs
@@ -329,7 +329,6 @@ pub(crate) fn run_tests(
 struct TestRunner<'a> {
     is_native: bool,
     jit_supported: bool,
-    use_unstable_features: bool,
     skip_tests: &'a [&'a str],
     dirs: Dirs,
     target_compiler: Compiler,
@@ -361,15 +360,7 @@ impl<'a> TestRunner<'a> {
             && target_compiler.triple.contains("x86_64")
             && !target_compiler.triple.contains("windows");
 
-        Self {
-            is_native,
-            jit_supported,
-            use_unstable_features,
-            skip_tests,
-            dirs,
-            target_compiler,
-            stdlib_source,
-        }
+        Self { is_native, jit_supported, skip_tests, dirs, target_compiler, stdlib_source }
     }
 
     fn run_testsuite(&self, tests: &[TestCase]) {
@@ -393,31 +384,13 @@ impl<'a> TestRunner<'a> {
             match *cmd {
                 TestCaseCmd::Custom { func } => func(self),
                 TestCaseCmd::BuildLib { source, crate_types } => {
-                    if self.use_unstable_features {
-                        self.run_rustc([source, "--crate-type", crate_types]);
-                    } else {
-                        self.run_rustc([
-                            source,
-                            "--crate-type",
-                            crate_types,
-                            "--cfg",
-                            "no_unstable_features",
-                        ]);
-                    }
+                    self.run_rustc([source, "--crate-type", crate_types]);
                 }
                 TestCaseCmd::BuildBin { source } => {
-                    if self.use_unstable_features {
-                        self.run_rustc([source]);
-                    } else {
-                        self.run_rustc([source, "--cfg", "no_unstable_features"]);
-                    }
+                    self.run_rustc([source]);
                 }
                 TestCaseCmd::BuildBinAndRun { source, args } => {
-                    if self.use_unstable_features {
-                        self.run_rustc([source]);
-                    } else {
-                        self.run_rustc([source, "--cfg", "no_unstable_features"]);
-                    }
+                    self.run_rustc([source]);
                     self.run_out_command(
                         source.split('/').last().unwrap().split('.').next().unwrap(),
                         args,
@@ -472,7 +445,6 @@ impl<'a> TestRunner<'a> {
         cmd.arg(&self.target_compiler.triple);
         cmd.arg("-Cpanic=abort");
         cmd.arg("-Zunstable-options");
-        cmd.arg("--check-cfg=cfg(no_unstable_features)");
         cmd.arg("--check-cfg=cfg(jit)");
         cmd.args(args);
         cmd