Fixed #8341 (error:iterators not correct)

lib/checkstl.cpp

@@ -363,12 +363,7 @@ void CheckStl::iterators()
 
             // Reassign the iterator
             else if (Token::Match(tok2, "%varid% =", iteratorId)) {
-                // Assume that the iterator becomes valid.
-                // TODO: add checking that checks if the iterator becomes valid or not
-                validatingToken = Token::findmatch(tok2->tokAt(2), "[;)]");
-
-                // skip ahead
-                tok2 = tok2->tokAt(2);
+                break;
             }
 
             // Passing iterator to function. Iterator might be initialized

test/teststl.cpp

@@ -56,6 +56,7 @@ private:
         TEST_CASE(iterator12);
         TEST_CASE(iterator13);
         TEST_CASE(iterator14); // #8191
+        TEST_CASE(iterator15); // #8341
         TEST_CASE(iteratorExpression);
         TEST_CASE(iteratorSameExpression);
 
@@ -599,6 +600,14 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+    void iterator15() {
+        check("void f(C1* x, std::list<int> a) {\n"
+              "  std::list<int>::iterator pos = a.begin();\n"
+              "  for(pos = x[0]->plist.begin(); pos != x[0]->plist.end(); ++pos) {}\n"
+              "}");
+        ASSERT_EQUALS("", errout.str());
+    }
+
     void iteratorExpression() {
         check("std::vector<int>& f();\n"
               "std::vector<int>& g();\n"