Auto merge of #127095 - Oneirical:testiary-education, r=jieyouxu

Migrate `reproducible-build-2` and `stable-symbol-names` `run-make` tests to rmake

Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).

Needs try-jobs.

try-job: x86_64-msvc
try-job: armhf-gnu
try-job: test-various
try-job: aarch64-apple
try-job: i686-msvc
try-job: x86_64-mingw

3 files changed, 23 insertions, 8 deletions

diff --git a/src/tools/run-make-support/src/external_deps/llvm.rs b/src/tools/run-make-support/src/external_deps/llvm.rs
index 56021cec269..dc651fdd820 100644
--- a/src/tools/run-make-support/src/external_deps/llvm.rs
+++ b/src/tools/run-make-support/src/external_deps/llvm.rs
@@ -151,7 +151,8 @@ impl LlvmReadobj {
         self
     }
 
-    /// Pass `--symbols` to display the symbol.
+    /// Pass `--symbols` to display the symbol table, including both local
+    /// and global symbols.
     pub fn symbols(&mut self) -> &mut Self {
         self.cmd.arg("--symbols");
         self
diff --git a/src/tools/run-make-support/src/fs.rs b/src/tools/run-make-support/src/fs.rs
index 0a796161633..2c35ba52a62 100644
--- a/src/tools/run-make-support/src/fs.rs
+++ b/src/tools/run-make-support/src/fs.rs
@@ -9,11 +9,19 @@ pub fn create_symlink<P: AsRef<Path>, Q: AsRef<Path>>(original: P, link: Q) {
     if link.as_ref().exists() {
         std::fs::remove_dir(link.as_ref()).unwrap();
     }
-    std::os::windows::fs::symlink_file(original.as_ref(), link.as_ref()).expect(&format!(
-        "failed to create symlink {:?} for {:?}",
-        link.as_ref().display(),
-        original.as_ref().display(),
-    ));
+    if original.as_ref().is_file() {
+        std::os::windows::fs::symlink_file(original.as_ref(), link.as_ref()).expect(&format!(
+            "failed to create symlink {:?} for {:?}",
+            link.as_ref().display(),
+            original.as_ref().display(),
+        ));
+    } else {
+        std::os::windows::fs::symlink_dir(original.as_ref(), link.as_ref()).expect(&format!(
+            "failed to create symlink {:?} for {:?}",
+            link.as_ref().display(),
+            original.as_ref().display(),
+        ));
+    }
 }
 
 /// Creates a new symlink to a path on the filesystem, adjusting for Windows or Unix.
@@ -41,6 +49,8 @@ pub fn copy_dir_all(src: impl AsRef<Path>, dst: impl AsRef<Path>) {
             let ty = entry.file_type()?;
             if ty.is_dir() {
                 copy_dir_all_inner(entry.path(), dst.join(entry.file_name()))?;
+            } else if ty.is_symlink() {
+                copy_symlink(entry.path(), dst.join(entry.file_name()))?;
             } else {
                 std::fs::copy(entry.path(), dst.join(entry.file_name()))?;
             }
@@ -59,6 +69,12 @@ pub fn copy_dir_all(src: impl AsRef<Path>, dst: impl AsRef<Path>) {
     }
 }
 
+fn copy_symlink<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> io::Result<()> {
+    let target_path = std::fs::read_link(from).unwrap();
+    create_symlink(target_path, to);
+    Ok(())
+}
+
 /// Helper for reading entries in a given directory.
 pub fn read_dir_entries<P: AsRef<Path>, F: FnMut(&Path)>(dir: P, mut callback: F) {
     for entry in read_dir(dir) {
diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt
index 088d5ba0c2b..38880e5e95f 100644
--- a/src/tools/tidy/src/allowed_run_make_makefiles.txt
+++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt
@@ -27,12 +27,10 @@ run-make/raw-dylib-alt-calling-convention/Makefile
 run-make/raw-dylib-c/Makefile
 run-make/redundant-libs/Makefile
 run-make/remap-path-prefix-dwarf/Makefile
-run-make/reproducible-build-2/Makefile
 run-make/reproducible-build/Makefile
 run-make/rlib-format-packed-bundled-libs/Makefile
 run-make/simd-ffi/Makefile
 run-make/split-debuginfo/Makefile
-run-make/stable-symbol-names/Makefile
 run-make/staticlib-dylib-linkage/Makefile
 run-make/symbol-mangling-hashed/Makefile
 run-make/sysroot-crates-are-unstable/Makefile