rewrite symbols-include-type-name to rmake

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -174,7 +174,6 @@ run-make/staticlib-dylib-linkage/Makefile
 run-make/std-core-cycle/Makefile
 run-make/symbol-mangling-hashed/Makefile
 run-make/symbol-visibility/Makefile
-run-make/symbols-include-type-name/Makefile
 run-make/sysroot-crates-are-unstable/Makefile
 run-make/target-cpu-native/Makefile
 run-make/target-specs/Makefile

tests/run-make/cdylib-fewer-symbols/rmake.rs

@@ -4,10 +4,6 @@
 // four such symbols are successfully hidden.
 // See https://github.com/rust-lang/rust/pull/45710
 
-//FIXME(Oneirical): try it on windows, restore ignore
-// See https://github.com/rust-lang/rust/pull/46207#issuecomment-347561753
-//FIXME(Oneirical): I also removed cross-compile ignore since there is no binary execution
-
 use run_make_support::{dynamic_lib_name, llvm_readobj, rustc};
 
 fn main() {

tests/run-make/symbols-include-type-name/Makefile

@@ -0,0 +1,12 @@
+// Method names used to be obfuscated when exported into symbols,
+// leaving only an obscure `<impl>`. After the fix in #30328,
+// this test checks that method names are successfully saved in the symbol list.
+// See https://github.com/rust-lang/rust/issues/30260
+
+use run_make_support::{invalid_utf8_contains, rustc};
+
+fn main() {
+    rustc().crate_type("staticlib").emit("asm").input("lib.rs").run();
+    // Check that symbol names for methods include type names, instead of <impl>.
+    invalid_utf8_contains("lib.s", "Def");
+}