From 9636b550505e4803c6d7307af7e01d996d0f0ea8 Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Sun, 13 Jan 2019 22:03:53 -0800
Subject: Suppress unchecked warning in Constant Propagation

---
 src/main/scala/firrtl/transforms/ConstantPropagation.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main/scala/firrtl/transforms/ConstantPropagation.scala b/src/main/scala/firrtl/transforms/ConstantPropagation.scala
index 16960b34..8a273476 100644
--- a/src/main/scala/firrtl/transforms/ConstantPropagation.scala
+++ b/src/main/scala/firrtl/transforms/ConstantPropagation.scala
@@ -67,7 +67,7 @@ class ConstantPropagation extends Transform with ResolvedAnnotationPaths {
   }
 
   object FoldADD extends FoldCommutativeOp {
-    def fold(c1: Literal, c2: Literal) = (c1, c2) match {
+    def fold(c1: Literal, c2: Literal) = ((c1, c2): @unchecked) match {
       case (_: UIntLiteral, _: UIntLiteral) => UIntLiteral(c1.value + c2.value, (c1.width max c2.width) + IntWidth(1))
       case (_: SIntLiteral, _: SIntLiteral) => SIntLiteral(c1.value + c2.value, (c1.width max c2.width) + IntWidth(1))
     }
-- 
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