Fixed #4024 (Tokenizer::simplifyFlowControl removes pieces of code inside a class if 'exit' is a member function).

lib/tokenize.cpp

@@ -3643,7 +3643,8 @@ void Tokenizer::simplifyFlowControl()
             tok = tok->next();
             eraseDeadCode(tok, 0);
 
-        } else if (Token::Match(tok,"return|throw|exit|abort|goto")) {
+        } else if (Token::Match(tok,"return|goto") ||
+                   (Token::Match(tok,"exit|throw|abort") && !Token::Match(tok->previous(),"%type%"))) {
             //catch the first ';'
             for (Token *tok2 = tok->next(); tok2; tok2 = tok2->next()) {
                 if (tok2->str() == "(" || tok2->str() == "[") {

test/testsimplifytokens.cpp

@@ -3440,6 +3440,28 @@ private:
                                     "}";
             ASSERT_EQUALS(expected, tok(code));
         }
+
+        {
+            const char code[] = "class Fred\n"
+                                "{\n"
+                                "public:\n"
+                                "    bool foo() const { return f; }\n"
+                                "    bool exit();\n"
+                                "\n"
+                                "private:\n"
+                                "   bool f;\n"
+                                "};\n";
+            const char expected[] = "class Fred "
+                                    "{"
+                                    " public:"
+                                    " bool foo ( ) const { return f ; }"
+                                    " bool exit ( ) ;"
+                                    ""
+                                    " private:"
+                                    " bool f ; "
+                                    "} ;";
+            ASSERT_EQUALS(expected, tok(code));
+        }
     }
 
     void strcat1() {