Auto merge of rust-lang#127621 - Oneirical:hypnotest-show, r=<try>

Rewrite and rename `issue-22131` and `issue-26006` `run-make` tests to rmake

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

Please try:

try-job: x86_64-msvc
try-job: test-various

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -49,9 +49,7 @@ run-make/issue-107094/Makefile
 run-make/issue-14698/Makefile
 run-make/issue-15460/Makefile
 run-make/issue-18943/Makefile
-run-make/issue-22131/Makefile
 run-make/issue-25581/Makefile
-run-make/issue-26006/Makefile
 run-make/issue-28595/Makefile
 run-make/issue-33329/Makefile
 run-make/issue-35164/Makefile

tests/run-make/invalid-symlink-search-path/rmake.rs

@@ -0,0 +1,24 @@
+// In this test, the symlink created is invalid (valid relative to the root, but not
+// relatively to where it is located), and used to cause an internal
+// compiler error (ICE) when passed as a library search path. This was fixed in #26044,
+// and this test checks that the invalid symlink is instead simply ignored.
+// See https://github.com/rust-lang/rust/issues/26006
+
+//FIXME(Oneirical): try it on test-various and windows
+
+use run_make_support::{create_symlink, fs_wrapper, rustc};
+
+fn main() {
+    fs_wrapper::create_dir("out");
+    fs_wrapper::create_dir("out/libc");
+    rustc()
+        .input("in/libc/lib.rs")
+        .crate_name("libc")
+        .metadata("foo")
+        .output("out/libc/liblibc.rlib")
+        .run();
+    fs_wrapper::create_dir("out/time");
+    fs_wrapper::create_dir("out/time/deps");
+    create_symlink("out/libc/liblibc.rlib", "out/time/deps");
+    rustc().input("in/time/lib.rs").library_search_path("dependency=out/time/deps").run();
+}

tests/run-make/rustdoc-cfgspec-parsing/rmake.rs

@@ -0,0 +1,20 @@
+// A rustdoc bug caused the `feature=bar` syntax for the cfg flag to be interpreted
+// wrongly, with `feature=bar` instead of just `bar` being understood as the feature name.
+// After this was fixed in #22135, this test checks that this bug does not make a resurgence.
+// See https://github.com/rust-lang/rust/issues/22131
+
+//FIXME(Oneirical): try test-various
+
+use run_make_support::{cwd, rustc, rustdoc};
+
+fn main() {
+    rustc().cfg(r#"feature="bar""#).crate_type("lib").input("foo.rs").run();
+    rustdoc()
+        .arg("--test")
+        .arg("--cfg")
+        .arg(r#"feature="bar""#)
+        .library_search_path(cwd())
+        .input("foo.rs")
+        .run()
+        .assert_stdout_contains("foo.rs - foo (line 1) ... ok");
+}