From 910ee8a6627424ac3779b0a4f118463e4684fd04 Mon Sep 17 00:00:00 2001
From: "Paolo G. Giarrusso" <p.giarrusso@gmail.com>
Date: Thu, 23 Aug 2018 11:28:04 +0200
Subject: [PATCH] Fix #4951: Increase test stack size before bootstrap

To test, use `testCompilation inductive-implicits-bench` before and after,
locally.
---
 project/Build.scala | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/project/Build.scala b/project/Build.scala
index 4a15546e2000..55d7242c8ec1 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -718,6 +718,9 @@ object Build {
       TestFrameworks.JUnit,
       "--exclude-categories=dotty.BootstrappedOnlyTests",
     ),
+    // increase stack size for non-bootstrapped compiler, because some code
+    // is only tail-recursive after bootstrap
+    javaOptions in Test += "-Xss2m"
   )
 
   lazy val bootstrapedDottyCompilerSettings = commonDottyCompilerSettings ++ Seq(