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