Adapt interpreter.

1 files changed, 7 insertions, 1 deletions

diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs
index da320cd1cd5..919eaca90ce 100644
--- a/compiler/rustc_const_eval/src/interpret/terminator.rs
+++ b/compiler/rustc_const_eval/src/interpret/terminator.rs
@@ -137,8 +137,14 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
             }
 
             Assert { ref cond, expected, ref msg, target, cleanup } => {
+                let ignored = !self.tcx.sess.overflow_checks()
+                    && match msg {
+                        mir::AssertKind::OverflowNeg(..) => true,
+                        mir::AssertKind::Overflow(op, ..) => op.is_checkable(),
+                        _ => false,
+                    };
                 let cond_val = self.read_scalar(&self.eval_operand(cond, None)?)?.to_bool()?;
-                if expected == cond_val {
+                if ignored || expected == cond_val {
                     self.go_to_block(target);
                 } else {
                     M::assert_panic(self, msg, cleanup)?;