fixes #23867; fixes #23316; rework nimsuggest for ORC (#23879)

fixes #23867
fixes #23316 


follow up https://github.com/nim-lang/Nim/pull/22805; fixes
https://github.com/nim-lang/Nim/issues/22794 in a different method

nimsuggest/tests/tchk2.nim

@@ -0,0 +1,35 @@
+# bug #22794
+type O = object
+
+proc `=destroy`(x: O) = discard
+proc `=trace`(x: var O; env: pointer) = discard
+proc `=copy`(a: var O; b: O) = discard
+proc `=dup`(a: O): O {.nodestroy.} = a
+proc `=sink`(a: var O; b: O) = discard
+
+
+# bug #23316
+type SomeSturct = object
+
+proc `=destroy`(x: SomeSturct) =
+  echo "SomeSturct destroyed"
+
+# bug #23867
+type ObjStr = object
+  s: string
+
+let ostr = ObjStr() # <-- nimsuggest crashes
+discard ostr
+
+type ObjSeq = object
+  s: seq[int]
+
+let oseq = ObjSeq() # <-- nimsuggest crashes
+discard oseq
+
+#[!]#
+discard """
+$nimsuggest --tester $file
+>chk $1
+chk;;skUnknown;;;;Hint;;???;;0;;-1;;">> (toplevel): import(dirty): tests/tchk2.nim [Processing]";;0
+"""