Fix #13064 FP derefInvalidIteratorRedundantCheck for initializer_list (regression) (#6768)

Author: chrchr-github

lib/forwardanalyzer.cpp

@@ -611,10 +611,8 @@ namespace {
                 } else if (!tok->variable() && (Token::Match(tok, "%name% :") || tok->str() == "case")) {
                     if (!analyzer->lowerToPossible())
                         return Break(Analyzer::Terminate::Bail);
-                } else if (tok->link() && tok->str() == "}") {
+                } else if (tok->link() && tok->str() == "}" && tok == tok->scope()->bodyEnd) { // might be an init list
                     const Scope* scope = tok->scope();
-                    if (!scope)
-                        return Break();
                     if (contains({Scope::eDo, Scope::eFor, Scope::eWhile, Scope::eIf, Scope::eElse, Scope::eSwitch}, scope->type)) {
                         const bool inElse = scope->type == Scope::eElse;
                         const bool inDoWhile = scope->type == Scope::eDo;

test/teststl.cpp

@@ -5132,6 +5132,18 @@ class TestStl : public TestFixture {
               "    }\n"
               "}\n");
         ASSERT_EQUALS("", errout_str()); // don't crash
+
+        check("void f(int);\n" // #13064
+              "void g() {\n"
+              "    std::vector<int> v{ 0 };\n"
+              "    auto it = std::find(v.begin(), v.end(), 0);\n"
+              "    if (it == v.end()) {\n"
+              "        f({});\n"
+              "        it = v.begin();\n"
+              "    }\n"
+              "    *it;\n"
+              "}\n");
+        ASSERT_EQUALS("", errout_str());
     }
 
     void dereferenceInvalidIterator2() {