Add regression test for issue-77475

JohnTitor · JohnTitor · commit 09135e4e758c · 2020-10-23T16:09:17.000+09:00
diff --git a/src/test/ui/macros/issue-77475.rs b/src/test/ui/macros/issue-77475.rs
@@ -0,0 +1,10 @@
+// check-pass
+// Regression test of #77475, this used to be ICE.
+
+#![feature(decl_macro)]
+
+use crate as _;
+
+pub macro ice(){}
+
+fn main() {}
