[nullsafe][EASY] Logs when we suppress reporting

Summary: This will help with debugging tricky issues

Reviewed By: ezgicicek

Differential Revision: D21328445

fbshipit-source-id: 6781fc39e

infer/src/absint/Reporting.ml

@@ -43,8 +43,8 @@ let log_issue_from_summary severity proc_attributes err_log ~node ~session ~loc
     Language.curr_language_is Java
     && Annotations.ia_is_suppress_lint proc_attributes.ProcAttributes.method_annotation.return
   in
-  if should_suppress_lint || is_java_generated_method || is_java_external_package then ()
-    (* Skip the reporting *)
+  if should_suppress_lint || is_java_generated_method || is_java_external_package then
+    Logging.debug Analysis Medium "Reporting is suppressed!@\n" (* Skip the reporting *)
   else log_issue_from_errlog severity err_log ~loc ~node ~session ~ltr ~access:None ~extras exn
 
 

infer/src/nullsafe/eradicateCheckers.ml

@@ -12,7 +12,8 @@ open! IStd
 let report_error tenv proc_name proc_desc kind loc ?(field_name = None)
     ?(exception_kind = fun k d -> Exceptions.Checkers (k, d)) ~severity description =
   let suppressed = Reporting.is_suppressed tenv proc_desc kind ~field_name in
-  if not suppressed then
+  if suppressed then Logging.debug Analysis Medium "Reporting is suppressed!@\n"
+  else
     let localized_description = Localise.verbatim_desc description in
     let exn = exception_kind kind localized_description in
     let trace = [Errlog.make_trace_element 0 loc description []] in