Auto merge of #127624 - Oneirical:a-test-of-lime, r=jieyouxu

Migrate and rename `issue-47551`, `issue-35164` and `issue-69368` `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).

try-job: x86_64-mingw
try-job: x86_64-gnu-llvm-18
try-job: i686-msvc
try-job: aarch64-apple
try-job: test-various
try-job: armhf-gnu

Author: bors

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

@@ -247,7 +247,7 @@ impl CompletedProcess {
     /// Checks that `stderr` does not contain `unexpected`.
     #[track_caller]
     pub fn assert_stderr_not_contains<S: AsRef<str>>(&self, unexpected: S) -> &Self {
-        assert_not_contains(&self.stdout_utf8(), unexpected);
+        assert_not_contains(&self.stderr_utf8(), unexpected);
         self
     }
 

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -14,10 +14,7 @@ run-make/fmt-write-bloat/Makefile
 run-make/foreign-double-unwind/Makefile
 run-make/foreign-exceptions/Makefile
 run-make/incr-add-rust-src-component/Makefile
-run-make/issue-35164/Makefile
 run-make/issue-36710/Makefile
-run-make/issue-47551/Makefile
-run-make/issue-69368/Makefile
 run-make/issue-84395-lto-embed-bitcode/Makefile
 run-make/issue-88756-default-output/Makefile
 run-make/jobserver-error/Makefile

tests/run-make/issue-69368/a.rs tests/run-make/crate-circular-deps-link/a.rs

@@ -0,0 +1,20 @@
+// Test that previously triggered a linker failure with root cause
+// similar to one found in the issue #69368.
+//
+// The crate that provides oom lang item is missing some other lang
+// items. Necessary to prevent the use of start-group / end-group.
+//
+// The weak lang items are defined in a separate compilation units,
+// so that linker could omit them if not used.
+//
+// The crates that need those weak lang items are dependencies of
+// crates that provide them.
+// See https://github.com/rust-lang/rust/issues/69371
+
+use run_make_support::rustc;
+
+fn main() {
+    rustc().input("a.rs").run();
+    rustc().input("b.rs").run();
+    rustc().input("c.rs").run();
+}

tests/run-make/issue-69368/b.rs tests/run-make/crate-circular-deps-link/b.rs

@@ -0,0 +1,15 @@
+// The byte positions in json format error logging used to have a small, difficult
+// to predict offset. This was changed to be the top of the file every time in #42973,
+// and this test checks that the measurements appearing in the standard error are correct.
+// See https://github.com/rust-lang/rust/issues/35164
+
+use run_make_support::rustc;
+
+fn main() {
+    rustc()
+        .input("main.rs")
+        .error_format("json")
+        .run()
+        .assert_stderr_contains(r#""byte_start":23"#)
+        .assert_stderr_contains(r#""byte_end":29"#);
+}

tests/run-make/issue-69368/c.rs tests/run-make/crate-circular-deps-link/c.rs

@@ -0,0 +1,23 @@
+// The gcc driver is supposed to add a terminator to link files, and the rustc
+// driver previously failed to do this, resulting in a segmentation fault
+// with an older version of LLVM. This test checks that the terminator is present
+// after the fix in #85395.
+// See https://github.com/rust-lang/rust/issues/47551
+
+//@ only-linux
+// Reason: the ZERO terminator is unique to the Linux architecture.
+//@ ignore-32bit
+// Reason: the usage of a large array in the test causes an out-of-memory
+// error on 32 bit systems.
+
+use run_make_support::{bin_name, llvm_objdump, run, rustc};
+
+fn main() {
+    rustc().input("eh_frame-terminator.rs").run();
+    run("eh_frame-terminator").assert_stdout_contains("1122334455667788");
+    llvm_objdump()
+        .arg("--dwarf=frames")
+        .input(bin_name("eh_frame-terminator"))
+        .run()
+        .assert_stdout_contains("ZERO terminator");
+}