From edb4a07d4ddf01c7f4d589b0f427ba6b9e03134b Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Mon, 18 Apr 2022 06:54:46 -0700
Subject: [PATCH] Sema: fix not reserving enough memory for comptime shl

---
 src/value.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/value.zig b/src/value.zig
index 713cacb7b0..ff2c0c271b 100644
--- a/src/value.zig
+++ b/src/value.zig
@@ -3987,7 +3987,7 @@ pub const Value = extern union {
         const shift = @intCast(usize, rhs.toUnsignedInt(target));
         const limbs = try arena.alloc(
             std.math.big.Limb,
-            std.math.big.int.calcTwosCompLimbCount(info.bits),
+            std.math.big.int.calcTwosCompLimbCount(info.bits) + 1,
         );
         var result_bigint = BigIntMutable{
             .limbs = limbs,