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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/borrowck/borrowck-macro-interaction-issue-6304.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/borrowck/borrowck-macro-interaction-issue-6304.rs')
-rw-r--r-- | tests/ui/borrowck/borrowck-macro-interaction-issue-6304.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-macro-interaction-issue-6304.rs b/tests/ui/borrowck/borrowck-macro-interaction-issue-6304.rs new file mode 100644 index 000000000..4e969f6ed --- /dev/null +++ b/tests/ui/borrowck/borrowck-macro-interaction-issue-6304.rs @@ -0,0 +1,36 @@ +// run-pass +#![allow(dead_code)] +#![allow(unused_variables)] +#![allow(unconditional_recursion)] + +// Check that we do not ICE when compiling this +// macro, which reuses the expression `$id` + +#![feature(box_patterns)] + +struct Foo { + a: isize +} + +pub enum Bar { + Bar1, Bar2(isize, Box<Bar>), +} + +impl Foo { + fn elaborate_stm(&mut self, s: Box<Bar>) -> Box<Bar> { + macro_rules! declare { + ($id:expr, $rest:expr) => ({ + self.check_id($id); + Box::new(Bar::Bar2($id, $rest)) + }) + } + match s { + box Bar::Bar2(id, rest) => declare!(id, self.elaborate_stm(rest)), + _ => panic!() + } + } + + fn check_id(&mut self, s: isize) { panic!() } +} + +pub fn main() { } |