loplugin:passstuffbyref: For now disable "pass parm by value" warnings

That needs fixing, to check that the parm is not bound to a reference, cf.
<https://gerrit.libreoffice.org/#/c/26189/> "coverity#1362680 Pointer to local
outside scope".

Change-Id: I3656354ccd10affafa006c9e46cf1db608b5b2a7

compilerplugins/clang/passstuffbyref.cxx

@@ -106,6 +106,7 @@ void PassStuffByRef::checkParams(const FunctionDecl * functionDecl) {
         const ParmVarDecl * pvDecl = functionDecl->getParamDecl(i);
         auto const t = pvDecl->getType();
         if (isPrimitiveConstRef(t)) {
+#if 0 //TODO: check that the parm is not bound to a reference
             report(
                 DiagnosticsEngine::Warning,
                 ("passing primitive type param %0 by const &, rather pass by value"),
@@ -118,6 +119,7 @@ void PassStuffByRef::checkParams(const FunctionDecl * functionDecl) {
                     can->getLocation())
                     << can->getSourceRange();
             }
+#endif
         }
     }
 }