From 3ee9ab06b1e4a73bd74c5af9f359327db7cd4f79 Mon Sep 17 00:00:00 2001
From: chrchr <christian.riesch@live.com>
Date: Thu, 29 Feb 2024 18:54:44 +0100
Subject: [PATCH] Fix checkLibraryFunction warning when deriving from
 std::vector

---
 lib/library.cpp        | 2 ++
 test/testfunctions.cpp | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/lib/library.cpp b/lib/library.cpp
index 05d92c047f0..76b549e34f4 100644
--- a/lib/library.cpp
+++ b/lib/library.cpp
@@ -972,6 +972,8 @@ std::string Library::getFunctionName(const Token *ftok, bool &error) const
         return "";
     }
     if (ftok->isName()) {
+        if (Token::simpleMatch(ftok->astParent(), "::"))
+            return ftok->str();
         for (const Scope *scope = ftok->scope(); scope; scope = scope->nestedIn) {
             if (!scope->isClassOrStruct())
                 continue;
diff --git a/test/testfunctions.cpp b/test/testfunctions.cpp
index 6fdc2f42dc6..9e677690eda 100644
--- a/test/testfunctions.cpp
+++ b/test/testfunctions.cpp
@@ -2046,6 +2046,12 @@ class TestFunctions : public TestFixture {
               "    return ::std::string(c);\n"
               "}\n", "test.cpp", &s);
         ASSERT_EQUALS("", errout.str());
+
+        check("template <typename T>\n"
+              "struct S : public std::vector<T> {\n"
+              "    void resize(size_t n) { std::vector<T>::resize(n); }\n"
+              "};\n", "test.cpp", &s);
+        ASSERT_EQUALS("", errout.str());
     }
 
     void checkUseStandardLibrary1() {