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/intrinsics/const-eval-select.rs | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/test/ui/intrinsics/const-eval-select.rs (limited to 'src/test/ui/intrinsics/const-eval-select.rs') diff --git a/src/test/ui/intrinsics/const-eval-select.rs b/src/test/ui/intrinsics/const-eval-select.rs new file mode 100644 index 000000000..9ff20d3fb --- /dev/null +++ b/src/test/ui/intrinsics/const-eval-select.rs @@ -0,0 +1,27 @@ +// run-pass + +#![feature(const_eval_select)] +#![feature(core_intrinsics)] + +use std::intrinsics::const_eval_select; + +const fn yes() -> bool { + true +} + +fn no() -> bool { + false +} + +// not a sound use case; testing only +const fn is_const_eval() -> bool { + unsafe { const_eval_select((), yes, no) } +} + +fn main() { + const YES: bool = is_const_eval(); + let no = is_const_eval(); + + assert_eq!(true, YES); + assert_eq!(false, no); +} -- cgit v1.2.3