From bb29f8e1424b390c867c161b1821e35fe2644daa Mon Sep 17 00:00:00 2001
From: Dzmitry Malyshau <kvark@fastmail.com>
Date: Mon, 26 Apr 2021 00:10:41 -0400
Subject: [PATCH] [spv-in] emit the cast expression for builtin signness

---
 src/front/spv/function.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/front/spv/function.rs b/src/front/spv/function.rs
index 3ab6a97807..a8e97ba615 100644
--- a/src/front/spv/function.rs
+++ b/src/front/spv/function.rs
@@ -212,11 +212,16 @@ impl<I: Iterator<Item = u32>> super::Parser<I> {
                     } else {
                         // The only case where the type is different is if we need to treat
                         // unsigned integer as signed.
-                        function.expressions.append(crate::Expression::As {
+                        let old_len = function.expressions.len();
+                        let handle = function.expressions.append(crate::Expression::As {
                             expr: arg_expr,
                             kind: crate::ScalarKind::Sint,
                             convert: true,
-                        })
+                        });
+                        function.body.push(crate::Statement::Emit(
+                            function.expressions.range_from(old_len),
+                        ));
+                        handle
                     };
                     function.body.push(crate::Statement::Store {
                         pointer: function