Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/src/test/ui/statics/static-promotion.rs b/src/test/ui/statics/static-promotion.rs
new file mode 100644
index 000000000..b9eff4691
--- /dev/null
+++ b/src/test/ui/statics/static-promotion.rs
@@ -0,0 +1,34 @@
+// run-pass
+
+// Use of global static variables in literal values should be allowed for
+// promotion.
+// This test is to demonstrate the issue raised in
+// https://github.com/rust-lang/rust/issues/70584
+
+// Literal values were previously promoted into local static values when
+// other global static variables are used.
+
+struct A<T: 'static>(&'static T);
+struct B<T: 'static + ?Sized> {
+    x: &'static T,
+}
+static STR: &'static [u8] = b"hi";
+static C: A<B<B<[u8]>>> = {
+    A(&B {
+        x: &B { x: STR },
+    })
+};
+
+pub struct Slice(&'static [i32]);
+
+static CONTENT: i32 = 42;
+pub static CONTENT_MAP: Slice = Slice(&[CONTENT]);
+
+pub static FOO: (i32, i32) = (42, 43);
+pub static CONTENT_MAP2: Slice = Slice(&[FOO.0]);
+
+fn main() {
+    assert_eq!(b"hi", C.0.x.x);
+    assert_eq!(&[42], CONTENT_MAP.0);
+    assert_eq!(&[42], CONTENT_MAP2.0);
+}