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 --- .../ui/const-generics/const-argument-if-length.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 src/test/ui/const-generics/const-argument-if-length.rs (limited to 'src/test/ui/const-generics/const-argument-if-length.rs') diff --git a/src/test/ui/const-generics/const-argument-if-length.rs b/src/test/ui/const-generics/const-argument-if-length.rs new file mode 100644 index 000000000..db1eafca2 --- /dev/null +++ b/src/test/ui/const-generics/const-argument-if-length.rs @@ -0,0 +1,22 @@ +// revisions: full min + +#![cfg_attr(full, feature(generic_const_exprs))] +#![cfg_attr(full, allow(incomplete_features))] + +pub const fn is_zst() -> usize { + if std::mem::size_of::() == 0 { + 1 + } else { + 0 + } +} + +pub struct AtLeastByte { + value: T, + //~^ ERROR the size for values of type `T` cannot be known at compilation time + pad: [u8; is_zst::()], + //[min]~^ ERROR generic parameters may not be used in const operations + //[full]~^^ ERROR unconstrained generic constant +} + +fn main() {} -- cgit v1.2.3