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* [gcc/devel/rust/master] testsuite/rust: add a testcase for testing ...
@ 2022-09-27 8:23 Thomas Schwinge
0 siblings, 0 replies; only message in thread
From: Thomas Schwinge @ 2022-09-27 8:23 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:1c19256b70634ab62eeddefed58556bfc4912a90
commit 1c19256b70634ab62eeddefed58556bfc4912a90
Author: liushuyu <liushuyu011@gmail.com>
Date: Mon Sep 26 22:30:33 2022 -0600
testsuite/rust: add a testcase for testing ...
... builtin macro and decl macro mixed expansion
Diff:
---
gcc/testsuite/rust/compile/builtin_macro_recurse.rs | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
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!(),);
+}
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