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/issues/issue-40288-2.rs | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/test/ui/issues/issue-40288-2.rs (limited to 'src/test/ui/issues/issue-40288-2.rs') diff --git a/src/test/ui/issues/issue-40288-2.rs b/src/test/ui/issues/issue-40288-2.rs new file mode 100644 index 000000000..032a2e65f --- /dev/null +++ b/src/test/ui/issues/issue-40288-2.rs @@ -0,0 +1,31 @@ +fn prove_static(_: &'static T) {} + +fn lifetime_transmute_slice<'a, T: ?Sized>(x: &'a T, y: &T) -> &'a T { + let mut out = [x]; + { + let slice: &mut [_] = &mut out; + slice[0] = y; + } + out[0] + //~^ ERROR explicit lifetime required in the type of `y` [E0621] +} + +struct Struct { + head: T, + _tail: U +} + +fn lifetime_transmute_struct<'a, T: ?Sized>(x: &'a T, y: &T) -> &'a T { + let mut out = Struct { head: x, _tail: [()] }; + { + let dst: &mut Struct<_, [()]> = &mut out; + dst.head = y; + } + out.head + //~^ ERROR explicit lifetime required in the type of `y` [E0621] +} + +fn main() { + prove_static(lifetime_transmute_slice("", &String::from("foo"))); + prove_static(lifetime_transmute_struct("", &String::from("bar"))); +} -- cgit v1.2.3