fix #14058: FP incorrectStringBooleanError (std::string_view literal not recognized) (danmar#7795)

Author: ludviggunne

lib/checkstring.cpp

@@ -318,6 +318,7 @@ void CheckString::checkIncorrectStringCompare()
                     }
                 }
             } else if (Token::Match(tok, "%str%|%char%") &&
+                       !Token::Match(tok->next(), "%name%") &&
                        isUsedAsBool(tok, *mSettings) &&
                        !isMacroUsage(tok))
                 incorrectStringBooleanError(tok, tok->str());

test/teststring.cpp

@@ -823,6 +823,13 @@ class TestString : public TestFixture {
               "    if (strequ(p, \"ALL\")) {}\n"
               "}\n");
         ASSERT_EQUALS("", errout_str());
+
+        check("void f(std::string_view);\n"
+              "void f(bool);\n"
+              "void g() {\n"
+              "    f(\"\"sv);\n"
+              "}\n");
+        ASSERT_EQUALS("", errout_str());
     }
 
     void deadStrcmp() {