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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/consts/const-vec-of-fns.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/consts/const-vec-of-fns.rs')
-rw-r--r-- | tests/ui/consts/const-vec-of-fns.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/consts/const-vec-of-fns.rs b/tests/ui/consts/const-vec-of-fns.rs new file mode 100644 index 000000000..6d90b066b --- /dev/null +++ b/tests/ui/consts/const-vec-of-fns.rs @@ -0,0 +1,25 @@ +// run-pass +// pretty-expanded FIXME #23616 +#![allow(non_upper_case_globals)] + +/*! + * Try to double-check that static fns have the right size (with or + * without dummy env ptr, as appropriate) by iterating a size-2 array. + * If the static size differs from the runtime size, the second element + * should be read as a null or otherwise wrong pointer and crash. + */ + +fn f() { } +static bare_fns: &'static [fn()] = &[f, f]; +struct S<F: FnOnce()>(F); +static mut closures: &'static mut [S<fn()>] = &mut [S(f as fn()), S(f as fn())]; + +pub fn main() { + unsafe { + for &bare_fn in bare_fns { bare_fn() } + for closure in &mut *closures { + let S(ref mut closure) = *closure; + (*closure)() + } + } +} |