1 files changed, 24 insertions, 0 deletions
diff --git a/src/libs/3rdparty/cplusplus/Symbols.cpp b/src/libs/3rdparty/cplusplus/Symbols.cpp
index 22f355dce4a..79dd116df7f 100644
--- a/src/libs/3rdparty/cplusplus/Symbols.cpp
+++ b/src/libs/3rdparty/cplusplus/Symbols.cpp
@@ -339,6 +339,28 @@ bool Function::isSignatureEqualTo(const Function *other, Matcher *matcher) const
     else if (! Matcher::match(unqualifiedName(), other->unqualifiedName(), matcher))
         return false;
 
+    class FallbackMatcher : public Matcher
+    {
+    public:
+        explicit FallbackMatcher(Matcher *baseMatcher) : m_baseMatcher(baseMatcher) {}
+
+    private:
+        bool match(const NamedType *type, const NamedType *otherType) override
+        {
+            if (type == otherType)
+                 return true;
+            const Name *name = type->name();
+            if (const QualifiedNameId *q = name->asQualifiedNameId())
+                name = q->name();
+            const Name *otherName = otherType->name();
+            if (const QualifiedNameId *q = otherName->asQualifiedNameId())
+                otherName = q->name();
+            return Matcher::match(name, otherName, m_baseMatcher);
+        }
+
+        Matcher * const m_baseMatcher;
+    } fallbackMatcher(matcher);
+
     const int argc = argumentCount();
     if (argc != other->argumentCount())
         return false;
@@ -359,6 +381,8 @@ bool Function::isSignatureEqualTo(const Function *other, Matcher *matcher) const
                 if (lType.match(rType))
                     continue;
             }
+            if (l->type().match(r->type(), &fallbackMatcher))
+                continue;
             return false;
         }
     }