Fix #11729 danglingLifetime of static variable (#5080)

Author: chrchr-github

lib/checkautovariables.cpp

@@ -614,7 +614,7 @@ void CheckAutoVariables::checkVarLifetimeScope(const Token * start, const Token
                     const Token* nextTok = nextAfterAstRightmostLeaf(tok->astTop());
                     if (!nextTok)
                         nextTok = tok->next();
-                    if (var && !var->isLocal() && !var->isArgument() &&
+                    if (var && !var->isLocal() && !var->isArgument() && !(val.tokvalue && val.tokvalue->variable() && val.tokvalue->variable()->isStatic()) &&
                         !isVariableChanged(nextTok,
                                            tok->scope()->bodyEnd,
                                            var->declarationId(),

test/testautovariables.cpp

@@ -3273,6 +3273,19 @@ class TestAutoVariables : public TestFixture {
               "    return { {}, {} };\n"
               "}\n");
         ASSERT_EQUALS("", errout.str());
+
+        // #11729
+        check("struct T {\n"
+              "    void add(int* i) {\n"
+              "        v.push_back(i);\n"
+              "    }\n"
+              "    void f() {\n"
+              "        static int val = 1;\n"
+              "        add(&val);\n"
+              "    }\n"
+              "    std::vector<int*> v;\n"
+              "};\n");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void danglingLifetimeFunction() {