Rollup merge of #133207 - jieyouxu:macos-objcopy, r=Kobzol,bjorn3

Default-enable `llvm_tools_enabled` when no `config.toml` is present

Fixes #133195. cc `@wesleywiser` could you double check if with this patch and no `config.toml` that you can run `./x test tests/ui --stage 1`?

`llvm-objcopy` is usually required by cg_ssa on macOS to workaround bad `strip`s.

cc `@bjorn3` I hope this doesn't break cg_clif...

r? bootstrap

compiler/rustc_codegen_cranelift/scripts/setup_rust_fork.sh

@@ -38,6 +38,11 @@ local-rebuild = true
 codegen-backends = ["cranelift"]
 deny-warnings = false
 verbose-tests = false
+# The cg_clif sysroot doesn't contain llvm tools and unless llvm_tools is
+# disabled bootstrap will crash trying to copy llvm tools for the bootstrap
+# compiler.
+llvm_tools = false
+
 EOF
 popd