Fix #4951: Increase test stack size before bootstrap

Blaisorblade · Blaisorblade · commit 910ee8a66274 · 2018-08-23T17:38:19.000+02:00
To test, use `testCompilation inductive-implicits-bench` before and after,
locally.
diff --git 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(

Original file line number	Diff line number	Diff line change
`@@ -718,6 +718,9 @@ object Build {`
`718`	`718`	`TestFrameworks.JUnit,`
`719`	`719`	`"--exclude-categories=dotty.BootstrappedOnlyTests",`
`720`	`720`	`),`
	`721`	`+ // increase stack size for non-bootstrapped compiler, because some code`
	`722`	`+ // is only tail-recursive after bootstrap`
	`723`	`+ javaOptions in Test += "-Xss2m"`
`721`	`724`	`)`
`722`	`725`
`723`	`726`	`lazy val bootstrapedDottyCompilerSettings = commonDottyCompilerSettings ++ Seq(`