diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/pattern/issue-92074-macro-ice.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/pattern/issue-92074-macro-ice.rs')
-rw-r--r-- | tests/ui/pattern/issue-92074-macro-ice.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/pattern/issue-92074-macro-ice.rs b/tests/ui/pattern/issue-92074-macro-ice.rs new file mode 100644 index 000000000..039d3b314 --- /dev/null +++ b/tests/ui/pattern/issue-92074-macro-ice.rs @@ -0,0 +1,36 @@ +pub enum En { + A(Vec<u8>) +} + +fn get_usize() -> usize { + 0 +} + +macro_rules! force_expr { + ($e:expr) => { $e } +} + +macro_rules! force_pat { + ($a:expr, $b:expr) => { $a..=$b } +} + +macro_rules! make_vec { + () => { force_expr!(Vec::new()) } //~ ERROR arbitrary expressions aren't allowed +} + +macro_rules! make_pat { + () => { force_pat!(get_usize(), get_usize()) } + //~^ ERROR arbitrary expressions aren't allowed + //~| ERROR arbitrary expressions aren't allowed +} + +#[allow(unreachable_code)] +fn f() -> Result<(), impl core::fmt::Debug> { + let x: En = loop {}; + + assert!(matches!(x, En::A(make_vec!()))); + assert!(matches!(5, make_pat!())); + Ok::<(), &'static str>(()) +} + +fn main() {} |