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/traits/impl-evaluation-order.rs | 39 +++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/test/ui/traits/impl-evaluation-order.rs (limited to 'src/test/ui/traits/impl-evaluation-order.rs') diff --git a/src/test/ui/traits/impl-evaluation-order.rs b/src/test/ui/traits/impl-evaluation-order.rs new file mode 100644 index 000000000..57809d89a --- /dev/null +++ b/src/test/ui/traits/impl-evaluation-order.rs @@ -0,0 +1,39 @@ +// Regression test for #79902 + +// Check that evaluation (which is used to determine whether to copy a type in +// MIR building) evaluates bounds from normalizing an impl after evaluating +// any bounds on the impl. + +// check-pass + +trait A { + type B; +} +trait M {} + +struct G(*const T, *const U); + +impl Clone for G { + fn clone(&self) -> Self { + G { ..*self } + } +} + +impl Copy for G +where + T: A, + U: A, +{ +} + +impl A for () { + type B = (); +} + +fn is_m(_: T) {} + +fn main() { + let x = G(&(), &()); + drop(x); + drop(x); +} -- cgit v1.2.3