Fix #13332 FP eraseDereference for iterator in array (danmar#7039)

Author: chrchr-github

lib/checkstl.cpp

@@ -488,7 +488,7 @@ void CheckStl::iterators()
         const int iteratorId = var->declarationId();
 
         // the validIterator flag says if the iterator has a valid value or not
-        bool validIterator = Token::Match(var->nameToken()->next(), "[(=:{]");
+        bool validIterator = Token::Match(var->nameToken()->next(), "[(=:{[]");
         const Scope* invalidationScope = nullptr;
 
         // The container this iterator can be used with

test/teststl.cpp

@@ -5155,6 +5155,13 @@ class TestStl : public TestFixture {
               "    *it;\n"
               "}\n");
         ASSERT_EQUALS("", errout_str());
+
+        check("int g() {\n" // #13332
+              "    const std::vector<int> v = { 1, 2, 3, 4 };\n"
+              "    const std::vector<int>::const_iterator a[2] = { v.begin(), v.end() };\n"
+              "    return *a[0];\n"
+              "}\n");
+        ASSERT_EQUALS("", errout_str());
     }
 
     void dereferenceInvalidIterator2() {