From: liushuyu <liushuyu...@gmail.com>
... builtin macro and decl macro mixed expansion
gcc/testsuite/ChangeLog:
* rust/compile/builtin_macro_recurse.rs: New test.
Signed-off-by: Zixing Liu <liushuyu...@gmail.com>
Tested on x86_64-pc-linux-gnu, committed on master.
---
.../rust/compile/builtin_macro_recurse.rs | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 gcc/testsuite/rust/compile/builtin_macro_recurse.rs
diff --git a/gcc/testsuite/rust/compile/builtin_macro_recurse.rs
b/gcc/testsuite/rust/compile/builtin_macro_recurse.rs
new file mode 100644
index 00000000000..0b516fd93a9
--- /dev/null
+++ b/gcc/testsuite/rust/compile/builtin_macro_recurse.rs
@@ -0,0 +1,21 @@
+// { dg-additional-options "-fdump-tree-gimple" }
+
+#[rustc_builtin_macro]
+macro_rules! concat {
+ () => {{}};
+}
+
+macro_rules! a {
+ () => { "test" };
+}
+
+macro_rules! b {
+ () => { "canary" };
+}
+
+fn main() {
+ // { dg-final { scan-tree-dump-times {"test1canary"} 1 gimple } }
+ let _ = concat!(a!(), 1, b!());
+ // should not error
+ concat!(a!(), true, b!(),);
+}
--
2.39.1
