Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/ui/imports/extern-crate-self/extern-crate-self-macro-alias.rs b/tests/ui/imports/extern-crate-self/extern-crate-self-macro-alias.rs
new file mode 100644
index 000000000..796835228
--- /dev/null
+++ b/tests/ui/imports/extern-crate-self/extern-crate-self-macro-alias.rs
@@ -0,0 +1,16 @@
+// run-pass
+
+// Test that a macro can correctly expand the alias
+// in an `extern crate self as ALIAS` item.
+
+fn the_answer() -> usize { 42 }
+
+macro_rules! alias_self {
+    ($alias:ident) => { extern crate self as $alias; }
+}
+
+alias_self!(the_alias);
+
+fn main() {
+    assert_eq!(the_alias::the_answer(), 42);
+}