Fix #11627 Infinite loop in ReverseTraversal (#4916)

Author: chrchr-github

lib/reverseanalyzer.cpp

@@ -78,10 +78,10 @@ struct ReverseTraversal {
                     return nullptr;
                 if (ftok->index() >= tok->index())
                     return nullptr;
-                if (ftok->link())
-                    ftok = ftok->link()->next();
-                else
+                if (!ftok->link() || ftok->str() == ")")
                     ftok = ftok->next();
+                else
+                    ftok = ftok->link()->next();
             }
             if (ftok == tok)
                 return nullptr;

test/testvalueflow.cpp

@@ -6980,6 +6980,11 @@ class TestValueFlow : public TestFixture {
                "    void g(std::vector<int> (*f) () = nullptr);\n"
                "};\n";
         valueOfTok(code, "=");
+
+        code = "void f(bool b) {\n" // #11627
+               "    (*printf)(\"%s %i\", strerror(errno), b ? 0 : 1);\n"
+               "};\n";
+        valueOfTok(code, "?");
     }
 
     void valueFlowHang() {