Merging upstream version 1.69.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/codegen/inherit_overflow.rs b/tests/codegen/inherit_overflow.rs
new file mode 100644
index 000000000..0b0b890b2
--- /dev/null
+++ b/tests/codegen/inherit_overflow.rs
@@ -0,0 +1,14 @@
+// compile-flags: -Zmir-enable-passes=+Inline,+ConstProp --crate-type lib
+// revisions: ASSERT NOASSERT
+//[ASSERT] compile-flags: -Coverflow-checks=on
+//[NOASSERT] compile-flags: -Coverflow-checks=off
+
+// CHECK-LABEL: define{{.*}} @assertion
+// ASSERT: call void @_ZN4core9panicking5panic17h
+// NOASSERT: ret i8 0
+#[no_mangle]
+pub fn assertion() -> u8 {
+    // Optimized MIR will replace this `CheckedBinaryOp` by `const (0, true)`.
+    // Verify that codegen does or does not emit the panic.
+    <u8 as std::ops::Add>::add(255, 1)
+}