From 0afc5aba783beac85a947ee6c8b793a331ce0d19 Mon Sep 17 00:00:00 2001
From: chrchr <christian.riesch@live.com>
Date: Tue, 13 Jun 2023 15:04:25 +0200
Subject: [PATCH] Fix #11764 checkLibraryFunction/NoReturn when inheriting from
 container

---
 lib/library.cpp        | 10 +++++++++-
 test/testfunctions.cpp |  5 +++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/library.cpp b/lib/library.cpp
index 2f7c6e0dc..d560f01fe 100644
--- a/lib/library.cpp
+++ b/lib/library.cpp
@@ -967,7 +967,15 @@ std::string Library::getFunctionName(const Token *ftok, bool &error) const
                 continue;
             const std::vector<Type::BaseInfo> &derivedFrom = scope->definedType->derivedFrom;
             for (const Type::BaseInfo & baseInfo : derivedFrom) {
-                const std::string name(baseInfo.name + "::" + ftok->str());
+                std::string name;
+                const Token* tok = baseInfo.nameTok; // baseInfo.name still contains template parameters, but is missing namespaces
+                if (tok->str() == "::")
+                    tok = tok->next();
+                while (Token::Match(tok, "%name%|::")) {
+                    name += tok->str();
+                    tok = tok->next();
+                }
+                name += "::" + ftok->str();
                 if (functions.find(name) != functions.end() && matchArguments(ftok, name))
                     return name;
             }
diff --git a/test/testfunctions.cpp b/test/testfunctions.cpp
index 90d87d37b..20254275d 100644
--- a/test/testfunctions.cpp
+++ b/test/testfunctions.cpp
@@ -2002,6 +2002,11 @@ private:
               "}\n", "test.cpp", &s);
         ASSERT_EQUALS("[test.cpp:5]: (information) --check-library: There is no matching configuration for function T::h()\n",
                       errout.str());
+
+        check("struct S : std::vector<int> {\n"
+              "    void f(int i) { push_back(i); }\n"
+              "};\n", "test.cpp", &s);
+        ASSERT_EQUALS("", errout.str());
     }
 
     void checkUseStandardLibrary1() {