make assert_stderr_contains print its contents on panic

src/tools/run-make-support/src/rustc.rs

@@ -236,18 +236,6 @@ impl Rustc {
  self
  }
 
- /// Add an extra argument to prepend the linker invocation, via `-Zpre-link-arg`.
- pub fn pre_link_arg(&mut self, link_arg: &str) -> &mut Self {
- self.cmd.arg(format!("-Zpre-link-arg={link_arg}"));
- self
- }
-
- /// Add multiple extra arguments to the linker invocation, via `-Zpre-link-args`.
- pub fn pre_link_args(&mut self, link_args: &str) -> &mut Self {
- self.cmd.arg(format!("-Zpre-link-args={link_args}"));
- self
- }
-
  /// Specify a stdin input
  pub fn stdin<I: AsRef<[u8]>>(&mut self, input: I) -> &mut Self {
  self.cmd.set_stdin(input.as_ref().to_vec().into_boxed_slice());

tests/run-make/link-args-order/rmake.rs

@@ -3,25 +3,28 @@
 // checks that linker arguments remain intact and in the order they were originally passed in.
 // See https://github.com/rust-lang/rust/pull/70665
 
+//@ ignore-msvc
+// Reason: the ld linker does not exist on Windows.
+
 use run_make_support::rustc;
 
 fn main() {
  rustc()
  .input("empty.rs")
  .linker_flavor("ld")
  .link_arg("a")
- .link_args("\"b c\"")
- .link_args("\"d e\"")
+ .link_args("b c")
+ .link_args("d e")
  .link_arg("f")
  .run_fail()
- .assert_stderr_contains("\"a\" \"b\" \"c\" \"d\" \"e\" \"f\"");
+ .assert_stderr_contains(r#""a" "b" "c" "d" "e" "f""#);
  rustc()
  .input("empty.rs")
  .linker_flavor("ld")
- .pre_link_arg("a")
- .pre_link_args("\"b c\"")
- .pre_link_args("\"d e\"")
- .pre_link_arg("f")
+ .arg("-Zpre-link-arg=a")
+ .arg("-Zpre-link-args=b c")
+ .arg("-Zpre-link-args=d e")
+ .arg("-Zpre-link-arg=f")
  .run_fail()
- .assert_stderr_contains("\"a\" \"b\" \"c\" \"d\" \"e\" \"f\"");
+ .assert_stderr_contains(r#""a" "b" "c" "d" "e" "f""#);
 }

tests/run-make/lto-readonly-lib/rmake.rs

@@ -8,18 +8,12 @@
 //@ ignore-cross-compile
 
 use run_make_support::fs_wrapper;
-use run_make_support::{cwd, run, rustc};
+use run_make_support::{run, rust_lib_name, rustc, test_while_readonly};
 
 fn main() {
  rustc().input("lib.rs").run();
- let entries = fs_wrapper::read_dir(cwd());
- for entry in entries {
- if entry.path().extension().and_then(|s| s.to_str()) == Some("rlib") {
- let mut perms = fs_wrapper::metadata(entry.path()).permissions();
- perms.set_readonly(true);
- fs_wrapper::set_permissions(entry.path(), perms);
- }
- }
- rustc().input("main.rs").arg("-Clto").run();
- run("main");
+ test_while_readonly(rust_lib_name("lib"), || {
+ rustc().input("main.rs").arg("-Clto").run();
+ run("main");
+ });
 }