Unrelated hardening of ExpandPrivate

odersky · odersky · commit e42b83e8101c · 2018-07-04T16:59:38.000+02:00
I noticed a REPL crash because we triggered the error condition
but there was no source associated with context.owner.
diff --git a/compiler/src/dotty/tools/dotc/transform/ExpandPrivate.scala b/compiler/src/dotty/tools/dotc/transform/ExpandPrivate.scala
@@ -90,6 +90,7 @@ class ExpandPrivate extends MiniPhase with IdentityDenotTransformer { thisPhase
       }
 
       assert(d.symbol.sourceFile != null &&
+             ctx.owner.sourceFile != null &&
              isSimilar(d.symbol.sourceFile.path, ctx.owner.sourceFile.path),
           s"private ${d.symbol.showLocated} in ${d.symbol.sourceFile} accessed from ${ctx.owner.showLocated} in ${ctx.owner.sourceFile}")
       d.ensureNotPrivate.installAfter(thisPhase)

Original file line number	Diff line number	Diff line change
`@@ -90,6 +90,7 @@ class ExpandPrivate extends MiniPhase with IdentityDenotTransformer { thisPhase`
`90`	`90`	`}`
`91`	`91`
`92`	`92`	`assert(d.symbol.sourceFile != null &&`
	`93`	`+ ctx.owner.sourceFile != null &&`
`93`	`94`	`isSimilar(d.symbol.sourceFile.path, ctx.owner.sourceFile.path),`
`94`	`95`	`s"private ${d.symbol.showLocated} in ${d.symbol.sourceFile} accessed from ${ctx.owner.showLocated} in ${ctx.owner.sourceFile}")`
`95`	`96`	`d.ensureNotPrivate.installAfter(thisPhase)`