javac ast indices: prevent npe while recompilation of single file

This commit is contained in:
Dmitry Batkovich
2016-12-15 16:18:13 +03:00
parent 04a5bd8cd2
commit 653944e2aa
@@ -32,7 +32,7 @@ public class BackwardReferenceRegistrar implements JavacFileReferencesRegistrar
@Override
public boolean isEnabled() {
return BackwardReferenceIndexWriter.isEnabled();
return BackwardReferenceIndexWriter.isEnabled() && BackwardReferenceIndexWriter.getInstance() != null;
}
@Override