Followup to #12244: FN unreachableCode (danmar#7131)

Author: chrchr-github

lib/checkother.cpp

@@ -887,8 +887,6 @@ void CheckOther::checkUnreachableCode()
                         tok2 = tok2->link();
                     if (tok2->str() == ";") {
                         secondBreak = tok2->next();
-                        while (Token::simpleMatch(secondBreak, "}") && secondBreak->scope()->type == Scope::ScopeType::eUnconditional)
-                            secondBreak = secondBreak->next();
                         break;
                     }
                 }
@@ -903,6 +901,8 @@ void CheckOther::checkUnreachableCode()
                     continue;
                 }
             }
+            while (Token::simpleMatch(secondBreak, "}") && secondBreak->scope()->type == Scope::ScopeType::eUnconditional)
+                secondBreak = secondBreak->next();
 
             // Statements follow directly, no line between them. (#3383)
             // TODO: Try to find a better way to avoid false positives due to preprocessor configurations.

test/testother.cpp

@@ -5615,6 +5615,15 @@ class TestOther : public TestFixture {
               "    std::cout << \"y\";\n"
               "}\n");
         ASSERT_EQUALS("[test.cpp:6]: (style) Statements following 'return' will never be executed.\n", errout_str());
+
+        check("void f() {\n"
+              "    {\n"
+              "        std::cout << \"x\";\n"
+              "        exit(1);\n"
+              "    }\n"
+              "    std::cout << \"y\";\n"
+              "}\n");
+        ASSERT_EQUALS("[test.cpp:6]: (style) Statements following noreturn function 'exit()' will never be executed.\n", errout_str());
     }
 
     void redundantContinue() {