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/mir-dataflow/liveness-enum.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 src/test/ui/mir-dataflow/liveness-enum.rs (limited to 'src/test/ui/mir-dataflow/liveness-enum.rs') diff --git a/src/test/ui/mir-dataflow/liveness-enum.rs b/src/test/ui/mir-dataflow/liveness-enum.rs new file mode 100644 index 000000000..5eb04ae8c --- /dev/null +++ b/src/test/ui/mir-dataflow/liveness-enum.rs @@ -0,0 +1,22 @@ +#![feature(core_intrinsics, rustc_attrs)] + +use std::intrinsics::rustc_peek; + +#[rustc_mir(rustc_peek_liveness, stop_after_dataflow)] +fn foo() -> Option { + let mut x = None; + + // `x` is live here since it is used in the next statement... + rustc_peek(x); + + dbg!(x); + + // But not here, since it is overwritten below + rustc_peek(x); //~ ERROR rustc_peek: bit not set + + x = Some(4); + + x +} + +fn main() {} -- cgit v1.2.3