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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/polymorphization/lifetimes.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/polymorphization/lifetimes.rs')
-rw-r--r-- | tests/ui/polymorphization/lifetimes.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/polymorphization/lifetimes.rs b/tests/ui/polymorphization/lifetimes.rs new file mode 100644 index 000000000..f26df4523 --- /dev/null +++ b/tests/ui/polymorphization/lifetimes.rs @@ -0,0 +1,25 @@ +// build-fail +// compile-flags:-Zpolymorphize=on +#![feature(rustc_attrs)] + +// This test checks that the polymorphization analysis doesn't break when the +// function/closure doesn't just have generic parameters. + +// Function has an unused generic parameter. +#[rustc_polymorphize_error] +pub fn unused<'a, T>(_: &'a u32) { + //~^ ERROR item has unused generic parameters +} + +#[rustc_polymorphize_error] +pub fn used<'a, T: Default>(_: &'a u32) -> u32 { + let _: T = Default::default(); + let add_one = |x: u32| x + 1; + //~^ ERROR item has unused generic parameters + add_one(3) +} + +fn main() { + unused::<u32>(&3); + used::<u32>(&3); +} |