Disable strip setting in profile and manually strip with llvm the build (#4966)

* disable strip setting in profile and manually strip with llvm the build

* remove rustc_llvm

* disable debug if wasm opt will run

* fix clippy

* don't strip if we are splitting with wasm-split

* keep names when running wasm-split

packages/cli/src/workspace.rs

@@ -274,6 +274,17 @@ impl Workspace {
             .join("gcc-ld")
     }
 
+    // wasm-ld: ./rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/wasm-ld
+    // rust-lld: ./rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rust-lld
+    pub fn rustc_objcopy(&self) -> PathBuf {
+        self.sysroot
+            .join("lib")
+            .join("rustlib")
+            .join(Triple::host().to_string())
+            .join("bin")
+            .join("rust-objcopy")
+    }
+
     /// Find the "main" package in the workspace. There might not be one!
     pub fn find_main_package(&self, package: Option<String>) -> Result<NodeId> {
         if let Some(package) = package {