fcl-passrc: resolver: no hint when hiding private method

compiler/packages/fcl-passrc/src/pasresolver.pp

@@ -4785,7 +4785,8 @@ begin
             begin
             // Delphi/FPC do not give a message when hiding a non virtual method
             // -> emit Hint with other message id
-            if (Data^.Proc.Parent is TPasMembersType) then
+            if (Data^.Proc.Parent is TPasMembersType)
+                and (Proc.Visibility<>visStrictPrivate) then
               begin
               ProcScope:=Proc.CustomData as TPasProcedureScope;
               if (ProcScope.ImplProc<>nil)  // not abstract, external
@@ -4796,6 +4797,9 @@ begin
               else if (Proc is TPasConstructor)
                   and (Data^.Proc.ClassType=Proc.ClassType) then
                 // do not give a hint for hiding a constructor
+              else if (Proc.Visibility=visPrivate)
+                  and (Proc.GetModule<>Data^.Proc.GetModule) then
+                // a private private is hidden by definition -> no hint
               else
                 LogMsg(20171118214523,mtHint,
                   nFunctionHidesIdentifier_NonVirtualMethod,sFunctionHidesIdentifier,

compiler/packages/fcl-passrc/tests/tcresolver.pas

@@ -554,6 +554,7 @@ type
     Procedure TestClass_MethodOverloadUnit;
     Procedure TestClass_HintMethodHidesNonVirtualMethod;
     Procedure TestClass_HintMethodHidesNonVirtualMethodWithoutBody_NoHint;
+    Procedure TestClass_NoHintMethodHidesPrivateMethod;
     Procedure TestClass_MethodReintroduce;
     Procedure TestClass_MethodOverloadArrayOfTClass;
     Procedure TestClass_ConstructorHidesAncestorWarning;
@@ -9355,6 +9356,30 @@ begin
   CheckResolverUnexpectedHints(true);
 end;
 
+procedure TTestResolver.TestClass_NoHintMethodHidesPrivateMethod;
+begin
+  StartProgram(false);
+  Add([
+  'type',
+  '  TObject = class',
+  '  strict private',
+  '    procedure DoIt(p: pointer);',
+  '  end;',
+  '  TBird = class',
+  '    procedure DoIt(i: longint);',
+  '  end;',
+  'procedure TObject.DoIt(p: pointer);',
+  'begin',
+  '  if p=nil then ;',
+  'end;',
+  'procedure TBird.DoIt(i: longint); begin end;',
+  'var b: TBird;',
+  'begin',
+  '  b.DoIt(3);']);
+  ParseProgram;
+  CheckResolverUnexpectedHints;
+end;
+
 procedure TTestResolver.TestClass_MethodReintroduce;
 begin
   StartProgram(false);

compiler/packages/pastojs/tests/tcmodules.pas

@@ -3692,6 +3692,7 @@ procedure TTestModule.TestProc_Asm;
 begin
   StartProgram(false);
   Add([
+  '{$mode delphi}',
   'function DoIt: longint;',
   'begin;',
   '  asm',
@@ -3707,6 +3708,10 @@ begin
   '    s = "end";',
   '  end;',
   'end;',
+  'procedure Fly;',
+  'asm',
+  '  return;',
+  'end;',
   'begin']);
   ConvertProgram;
   CheckSource('TestProc_Asm',