chore: Allow to write tasty for Scala2 symbols under -Ycompile-scala2-library

hamzaremmal · hamzaremmal · commit 885403ea7796 · 2025-02-06T13:53:08.000+01:00
diff --git a/compiler/src/dotty/tools/dotc/core/tasty/TreePickler.scala b/compiler/src/dotty/tools/dotc/core/tasty/TreePickler.scala
@@ -861,7 +861,7 @@ class TreePickler(pickler: TastyPickler, attributes: Attributes) {
       assert(isModifierTag(tag))
       writeByte(tag)
     }
-    assert(!flags.is(Scala2x))
+    if flags.is(Scala2x) then assert(attributes.scala2StandardLibrary)
     if (flags.is(Private)) writeModTag(PRIVATE)
     if (flags.is(Protected)) writeModTag(PROTECTED)
     if (flags.is(Final, butNot = Module)) writeModTag(FINAL)

Original file line number	Diff line number	Diff line change
`@@ -861,7 +861,7 @@ class TreePickler(pickler: TastyPickler, attributes: Attributes) {`
`861`	`861`	`assert(isModifierTag(tag))`
`862`	`862`	`writeByte(tag)`
`863`	`863`	`}`
`864`		`- assert(!flags.is(Scala2x))`
	`864`	`+ if flags.is(Scala2x) then assert(attributes.scala2StandardLibrary)`
`865`	`865`	`if (flags.is(Private)) writeModTag(PRIVATE)`
`866`	`866`	`if (flags.is(Protected)) writeModTag(PROTECTED)`
`867`	`867`	`if (flags.is(Final, butNot = Module)) writeModTag(FINAL)`