From ff509e6a917269f995e28f228a23a7fb6e947363 Mon Sep 17 00:00:00 2001
From: Kevin Laeufer
Date: Tue, 28 Jul 2020 09:31:55 -0700
Subject: [2.13] explicitly use a parallel vector

---
 src/main/scala/firrtl/stage/phases/Compiler.scala | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/main/scala/firrtl/stage/phases/Compiler.scala b/src/main/scala/firrtl/stage/phases/Compiler.scala
index d5c45dba..66dad55e 100644
--- a/src/main/scala/firrtl/stage/phases/Compiler.scala
+++ b/src/main/scala/firrtl/stage/phases/Compiler.scala
@@ -111,8 +111,9 @@ class Compiler extends Phase with Translator[AnnotationSeq, Seq[CompilerRun]] {
       c.copy(stateOut = Some(annotationsOut))
     }
 
-    if (b.size <= 1) { b.map(f)         }
-    else             { b.par.map(f).seq }
+    if (b.size <= 1) { b.map(f) } else {
+      collection.parallel.immutable.ParVector(b :_*).par.map(f).seq
+    }
   }
 
   private def compilerToTransforms(a: FirrtlCompiler): Seq[TransformDependency] = a match {
-- 
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