Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/ui/macros/issue-10536.rs b/tests/ui/macros/issue-10536.rs
new file mode 100644
index 000000000..f536d8f94
--- /dev/null
+++ b/tests/ui/macros/issue-10536.rs
@@ -0,0 +1,19 @@
+// We only want to assert that this doesn't ICE, we don't particularly care
+// about whether it nor it fails to compile.
+
+macro_rules! foo{
+    () => {{
+        macro_rules! bar{() => (())}
+        1
+    }}
+}
+
+pub fn main() {
+    foo!();
+
+    assert!({one! two()}); //~ ERROR expected one of `(`, `[`, or `{`, found `two`
+
+    // regardless of whether nested macro_rules works, the following should at
+    // least throw a conventional error.
+    assert!({one! two}); //~ ERROR expected one of `(`, `[`, or `{`, found `two`
+}