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, 16 insertions, 0 deletions

diff --git a/src/test/ui/macros/macro-doc-escapes.rs b/src/test/ui/macros/macro-doc-escapes.rs
new file mode 100644
index 000000000..ff5a5793b
--- /dev/null
+++ b/src/test/ui/macros/macro-doc-escapes.rs
@@ -0,0 +1,16 @@
+// run-pass
+// When expanding a macro, documentation attributes (including documentation comments) must be
+// passed "as is" without being parsed. Otherwise, some text will be incorrectly interpreted as
+// escape sequences, leading to an ICE.
+//
+// Related issues: #25929, #25943
+
+macro_rules! homura {
+    (#[$x:meta]) => ()
+}
+
+homura! {
+    /// \madoka \x41
+}
+
+fn main() { }