init: ref obi1kenobi/cargo-semver-checks#1068

.gitignore

@@ -0,0 +1 @@
+/target

Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "mre-rustflags-bug"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

README.md

@@ -0,0 +1,48 @@
+```
+error: output of --print=file-names missing when learning about target-specific information from rustc
+command was: `/root/.cargo/bin/sccache /root/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rustc - --crate-name ___ --print=file-names --cap-lints=allow --target
+ aarch64-unknown-none-softfloat --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --
+print=split-debuginfo --print=crate-name --print=cfg`
+
+--- stdout
+___
+lib___.rlib
+lib___.a
+/root/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu
+off
+___
+debug_assertions
+fmt_debug="full"
+overflow_checks
+panic="abort"
+proc_macro
+relocation_model="static"
+target_abi="softfloat"
+target_arch="aarch64"
+target_endian="little"
+target_env=""
+target_has_atomic
+target_has_atomic="128"
+target_has_atomic="16"
+target_has_atomic="32"
+target_has_atomic="64"
+target_has_atomic="8"
+target_has_atomic="ptr"
+target_has_atomic_equal_alignment="128"
+target_has_atomic_equal_alignment="16"
+target_has_atomic_equal_alignment="32"
+target_has_atomic_equal_alignment="64"
+target_has_atomic_equal_alignment="8"
+target_has_atomic_equal_alignment="ptr"
+target_has_atomic_load_store
+target_has_atomic_load_store="128"
+target_has_atomic_load_store="16"
+target_has_atomic_load_store="32"
+target_has_atomic_load_store="64"
+target_has_atomic_load_store="8"
+target_has_atomic_load_store="ptr"
+target_os="none"
+target_pointer_width="64"
+target_vendor="unknown"
+ub_checks
+```

run.sh

@@ -0,0 +1,3 @@
+export RUSTFLAGS=--cap-lints=allow
+cargo check --target aarch64-unknown-none-softfloat
+# cargo doc --lib --target aarch64-unknown-none-softfloat --no-deps --color=always

src/lib.rs

@@ -0,0 +1,5 @@
+#![no_std]
+
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}