1 files changed, 7 insertions, 2 deletions
diff --git a/compilerplugins/clang/constparams.cxx b/compilerplugins/clang/constparams.cxx
index 0a52ba1c77267..0aec1e3d82c2e 100644
--- a/compilerplugins/clang/constparams.cxx
+++ b/compilerplugins/clang/constparams.cxx
@@ -418,8 +418,13 @@ bool ConstParams::checkIfCanBeConst(const Stmt* stmt, const ParmVarDecl* parmVar
         return false;
     } else if (isa<CastExpr>(parent)) { // all other cast expression subtypes
         if (auto e = dyn_cast<ExplicitCastExpr>(parent)) {
-            loplugin::TypeCheck tc(e->getTypeAsWritten());
-            if (tc.Pointer().NonConst() || tc.Void()) {
+            auto t = e->getTypeAsWritten();
+            if (t->isAnyPointerType()
+                && !t->getPointeeType().isConstQualified())
+            {
+                return false;
+            }
+            if (loplugin::TypeCheck(t).Void()) {
                 return false;
             }
         }