rewrite panic-abort-eh_frame to rmake

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -95,7 +95,6 @@ run-make/no-alloc-shim/Makefile
 run-make/no-builtins-attribute/Makefile
 run-make/no-duplicate-libs/Makefile
 run-make/obey-crate-type-flag/Makefile
-run-make/panic-abort-eh_frame/Makefile
 run-make/pass-non-c-like-enum-to-c/Makefile
 run-make/pdb-buildinfo-cl-cmd/Makefile
 run-make/pgo-gen-lto/Makefile

tests/run-make/dump-ice-to-disk/rmake.rs

@@ -6,22 +6,13 @@
 // - Check that the ICE files contain some of the expected strings.
 // See https://github.com/rust-lang/rust/pull/108714
 
-// FIXME(Oneirical): try it on Windows!
-
 use run_make_support::{cwd, fs_wrapper, has_extension, has_prefix, rustc, shallow_find_files};
 
 fn main() {
     rustc().input("lib.rs").arg("-Ztreat-err-as-bug=1").run_fail();
     let ice_text = get_text_from_ice();
     let default_set = ice_text.lines().count();
     let content = ice_text;
-    // Ensure that the ICE files don't contain `:` in their filename because
-    // this causes problems on Windows.
-    for file in shallow_find_files(cwd(), |path| {
-        has_prefix(path, "rustc-ice") && has_extension(path, "txt")
-    }) {
-        assert!(!file.display().to_string().contains(":"));
-    }
 
     clear_ice_files();
     rustc().input("lib.rs").env("RUST_BACKTRACE", "short").arg("-Ztreat-err-as-bug=1").run_fail();

tests/run-make/panic-abort-eh_frame/Makefile

@@ -0,0 +1,22 @@
+// An `.eh_frame` section in an object file is a symptom of an UnwindAction::Terminate
+// being inserted, useful for determining whether or not unwinding is necessary.
+// This is useless when panics would NEVER unwind due to -C panic=abort. This section should
+// therefore never appear in the emit file of a -C panic=abort compilation, and this test
+// checks that this is respected.
+// See https://github.com/rust-lang/rust/pull/112403
+
+// FIXME(Oneirical): try it on more than only-linux!
+
+use run_make_support::{llvm_objdump, rustc};
+
+fn main() {
+    rustc()
+        .input("foo.rs")
+        .crate_type("lib")
+        .emit("obj=foo.o")
+        .panic("abort")
+        .edition("2021")
+        .arg("-Zvalidate-mir")
+        .run();
+    llvm_objdump().arg("--dwarf=frames").input("foo.o").run().assert_stdout_not_contains("DW_CFA");
+}