From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/codegen/integer-overflow.rs | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 tests/codegen/integer-overflow.rs (limited to 'tests/codegen/integer-overflow.rs') diff --git a/tests/codegen/integer-overflow.rs b/tests/codegen/integer-overflow.rs new file mode 100644 index 000000000..183de56db --- /dev/null +++ b/tests/codegen/integer-overflow.rs @@ -0,0 +1,26 @@ +// no-system-llvm +// compile-flags: -O -C overflow-checks=on + +#![crate_type = "lib"] + + +pub struct S1<'a> { + data: &'a [u8], + position: usize, +} + +// CHECK-LABEL: @slice_no_index_order +#[no_mangle] +pub fn slice_no_index_order<'a>(s: &'a mut S1, n: usize) -> &'a [u8] { + // CHECK-NOT: slice_index_order_fail + let d = &s.data[s.position..s.position+n]; + s.position += n; + return d; +} + +// CHECK-LABEL: @test_check +#[no_mangle] +pub fn test_check<'a>(s: &'a mut S1, x: usize, y: usize) -> &'a [u8] { + // CHECK: slice_index_order_fail + &s.data[x..y] +} -- cgit v1.2.3