Accept stale Predef symbol

Otherwise we'd get a "stale symbol error" when compiling stdLib in the community build.
scala · Nov 21, 2020 · 3b46af1 · 3b46af1
1 parent f71b5e7
commit 3b46af1
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/compiler/src/dotty/tools/dotc/core/SymDenotations.scala b/compiler/src/dotty/tools/dotc/core/SymDenotations.scala
@@ -2457,10 +2457,12 @@ object SymDenotations {
 
   /** Possibly accept stale symbol with warning if in IDE */
   def acceptStale(denot: SingleDenotation)(using Context): Boolean =
-    staleOK && {
-      report.debugwarn(denot.staleSymbolMsg)
-      true
-    }
+    denot.symbol.sourceModule == defn.ScalaPredefModule
+    || staleOK
+        && {
+          report.debugwarn(denot.staleSymbolMsg)
+          true
+        }
 
 // ---- Completion --------------------------------------------------------