From b15a23c61ff72e05ead1ab696922ce1e1825667e Mon Sep 17 00:00:00 2001
From: Dzmitry Malyshau <kvarkus@gmail.com>
Date: Fri, 23 Apr 2021 01:05:10 -0400
Subject: [PATCH] [spv-in] fix integer constants parsing (#756)

---
 src/front/spv/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/front/spv/mod.rs b/src/front/spv/mod.rs
index 9011e5f19f..44cfbb1b0d 100644
--- a/src/front/spv/mod.rs
+++ b/src/front/spv/mod.rs
@@ -2873,7 +2873,7 @@ impl<I: Iterator<Item = u32>> Parser<I> {
                 crate::ConstantInner::Scalar {
                     width,
                     value: crate::ScalarValue::Sint(
-                        ((u64::from(high) << 32) | u64::from(low)) as i64,
+                        (i64::from(high as i32) << 32) | ((i64::from(low as i32) << 32) >> 32),
                     ),
                 }
             }