handle release builds appropriately

Signed-off-by: onur-ozkan <work@onurozkan.dev>

src/bootstrap/src/core/build_steps/dist.rs

@@ -790,10 +790,11 @@ impl Step for Analysis {
             return None;
         }
 
+        let mode = Mode::Std;
         let src = builder
-            .stage_out(compiler, Mode::Std)
+            .stage_out(compiler, mode)
             .join(target)
-            .join(builder.cargo_dir())
+            .join(builder.cargo_dir(&mode))
             .join("deps")
             .join("save-analysis");
 

src/bootstrap/src/core/build_steps/test.rs

@@ -742,10 +742,11 @@ impl Step for Clippy {
         let compiler = builder.compiler(stage, host);
 
         builder.ensure(tool::Clippy { compiler, target: self.host });
+        let mode = Mode::ToolRustc;
         let mut cargo = tool::prepare_tool_cargo(
             builder,
             compiler,
-            Mode::ToolRustc,
+            mode,
             host,
             Kind::Test,
             "src/tools/clippy",
@@ -755,7 +756,7 @@ impl Step for Clippy {
 
         cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
         cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
-        let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir());
+        let host_libs = builder.stage_out(compiler, mode).join(builder.cargo_dir(&mode));
         cargo.env("HOST_LIBS", host_libs);
 
         cargo.add_rustc_lib_path(builder);

src/bootstrap/src/core/builder/cargo.rs

@@ -422,9 +422,9 @@ impl Builder<'_> {
             assert_eq!(target, compiler.host);
         }
 
-        if self.config.rust_optimize.is_release() &&
-        // cargo bench/install do not accept `--release` and miri doesn't want it
-        !matches!(cmd_kind, Kind::Bench | Kind::Install | Kind::Miri | Kind::MiriSetup | Kind::MiriTest)
+        if self.is_release_build(&mode) &&
+            // cargo bench/install do not accept `--release` and miri doesn't want it
+            !matches!(cmd_kind, Kind::Bench | Kind::Install | Kind::Miri | Kind::MiriSetup | Kind::MiriTest)
         {
             cargo.arg("--release");
         }

src/bootstrap/src/lib.rs

@@ -660,10 +660,19 @@ impl Build {
         features.join(" ")
     }
 
+    fn is_release_build(&self, mode: &Mode) -> bool {
+        match mode {
+            Mode::Std | Mode::Rustc => self.config.rust_optimize.is_release(),
+            Mode::Codegen | Mode::ToolBootstrap | Mode::ToolStd | Mode::ToolRustc => {
+                self.config.enable_release_build
+            }
+        }
+    }
+
     /// Component directory that Cargo will produce output into (e.g.
     /// release/debug)
-    fn cargo_dir(&self) -> &'static str {
-        if self.config.rust_optimize.is_release() { "release" } else { "debug" }
+    fn cargo_dir(&self, mode: &Mode) -> &'static str {
+        if self.is_release_build(mode) { "release" } else { "debug" }
     }
 
     fn tools_dir(&self, compiler: Compiler) -> PathBuf {
@@ -691,7 +700,7 @@ impl Build {
     /// running a particular compiler, whether or not we're building the
     /// standard library, and targeting the specified architecture.
     fn cargo_out(&self, compiler: Compiler, mode: Mode, target: TargetSelection) -> PathBuf {
-        self.stage_out(compiler, mode).join(target).join(self.cargo_dir())
+        self.stage_out(compiler, mode).join(target).join(self.cargo_dir(&mode))
     }
 
     /// Root output directory of LLVM for `target`