From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/consts/const-vec-of-fns.rs | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 src/test/ui/consts/const-vec-of-fns.rs (limited to 'src/test/ui/consts/const-vec-of-fns.rs') diff --git a/src/test/ui/consts/const-vec-of-fns.rs b/src/test/ui/consts/const-vec-of-fns.rs new file mode 100644 index 000000000..6d90b066b --- /dev/null +++ b/src/test/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); +static mut closures: &'static mut [S] = &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)() + } + } +} -- cgit v1.2.3