Skip unnecessary components in x64 try builds

Author: Kobzol

src/tools/opt-dist/src/exec.rs

@@ -188,6 +188,15 @@ impl Bootstrap {
     }
 }
 
-fn add_shared_x_flags(env: &Environment, cmd: CmdBuilder) -> CmdBuilder {
+fn add_shared_x_flags(env: &Environment, mut cmd: CmdBuilder) -> CmdBuilder {
+    // Skip things that cannot be skipped through `x ... --skip`
+    cmd = cmd
+        .arg("--set")
+        .arg("rust.llvm-bitcode-linker=false")
+        // Skip wasm-component-ld
+        .arg("--set")
+        .arg("build.extended=false")
+        .arg("--set")
+        .arg("rust.codegen-backends=['llvm']");
     if env.is_fast_try_build() { cmd.arg("--set").arg("rust.deny-warnings=false") } else { cmd }
 }