* when looking for overloaded conversion (assignment) operators, only ignore

those for variants. All defined operators are guaranteed to be valid by
    the code that checks them when they are defined (mantis #17846)

git-svn-id: trunk@16449 -

.gitattributes

@@ -10749,6 +10749,7 @@ tests/webtbs/tw17715.pp svneol=native#text/plain
 tests/webtbs/tw1779.pp svneol=native#text/plain
 tests/webtbs/tw1780.pp svneol=native#text/plain
 tests/webtbs/tw17836.pp svneol=native#text/plain
+tests/webtbs/tw17846.pp svneol=native#text/plain
 tests/webtbs/tw17862.pp svneol=native#text/plain
 tests/webtbs/tw17907/main/main.pas svneol=native#text/plain
 tests/webtbs/tw17907/test.bat svneol=native#text/plain

compiler/defcmp.pas

@@ -1476,8 +1476,7 @@ implementation
             { Check for operators? }
             (
              (cdo_check_operator in cdoptions) and
-             ((def_from.typ in [objectdef,recorddef,arraydef,stringdef]) or
-              (def_to.typ in [objectdef,recorddef,arraydef,stringdef]))
+             ((def_from.typ<>variantdef) or (def_to.typ<>variantdef))
             )
            ) then
           begin

tests/webtbs/tw17846.pp

@@ -0,0 +1,48 @@
+program opoverload;
+
+{$mode objfpc}
+
+const
+  IntValue1 = $1;
+  IntValue2 = $2;
+  IntValue3 = $4;
+
+type
+  TMyEnum = (Value1, Value2, Value3);
+  TMySet = set of TMyEnum;
+
+operator := (aRight: LongWord) aLeft: TMySet;
+begin
+  aLeft := [];
+  if aRight and IntValue1 <> 0 then
+    Include(aLeft, Value1);
+  if aRight and IntValue2 <> 0 then
+    Include(aLeft, Value2);
+  if aRight and IntValue3 <> 0 then
+    Include(aLeft, Value3);
+end;
+
+operator := (aRight: TMySet) aLeft: LongWord;
+begin
+  aLeft := 0;
+  if Value1 in aRight then
+    aLeft := aLeft or IntValue1;
+  if Value2 in aRight then
+    aLeft := aLeft or IntValue2;
+  if Value3 in aRight then
+    aLeft := aLeft or IntValue3;
+end;
+
+var
+  i: LongWord;
+  t: TMySet;
+begin
+  i := IntValue1 or IntValue3;
+  t := i;
+  if t<>[value1,value3] then
+    halt(1);
+  i:=0;
+  i:=t;
+  if i<>(IntValue1 or IntValue3) then
+    halt(2);
+end.