From: Philip Herron <[email protected]>
Fixes Rust-GCC/gccrs#4675
gcc/testsuite/ChangeLog:
* rust/compile/issues/issue-4675.rs: New test.
Signed-off-by: Philip Herron <[email protected]>
Tested on x86_64-pc-linux-gnu.
---
.../rust/compile/issues/issue-4675.rs | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
create mode 100644 gcc/testsuite/rust/compile/issues/issue-4675.rs
diff --git a/gcc/testsuite/rust/compile/issues/issue-4675.rs
b/gcc/testsuite/rust/compile/issues/issue-4675.rs
new file mode 100644
index 00000000000..5f516f7f53c
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issues/issue-4675.rs
@@ -0,0 +1,19 @@
+#![feature(no_core, lang_items)]
+#![no_core]
+
+#[lang = "sized"]
+pub trait Sized {}
+
+struct Two<'a> { // { dg-warning "struct is never constructed: .Two." }
+ f: &'a i32,
+ g: &'a i32,
+}
+
+fn a() { // { dg-warning "function is never used: .a." }
+ let (mut t, f, g): (Two, i32, i32);
+ f = 42;
+ t = Two { f: &f, g: &f };
+ *t.f;
+ f = 42; // { dg-error "assignment of read-only variable 'f'" }
+ t.g = &g;
+}
--
2.55.0
