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, 7 insertions, 0 deletions

diff --git a/src/test/ui/conditional-compilation/cfg-attr-multi-invalid-2.rs b/src/test/ui/conditional-compilation/cfg-attr-multi-invalid-2.rs
new file mode 100644
index 000000000..29690e284
--- /dev/null
+++ b/src/test/ui/conditional-compilation/cfg-attr-multi-invalid-2.rs
@@ -0,0 +1,7 @@
+// compile-flags: --cfg broken
+
+#![crate_type = "lib"]
+#![cfg_attr(broken, no_std, no_core)]
+//~^ ERROR the `#[no_core]` attribute is an experimental feature
+
+pub struct S {}