Memory leaks: simplify 'if break ; break ;'

lib/checkmemoryleak.cpp

@@ -1811,6 +1811,13 @@ void CheckMemoryLeakInFunction::simplifycode(Token *tok)
                 done = false;
             }
 
+            // if break ; break ; => break ;
+            if (Token::Match(tok2->previous(), "[;{}] if break ; break ;"))
+            {
+                Token::eraseTokens(tok2, tok2->tokAt(4));
+                done = false;
+            }
+
             // Reduce "do { dealloc ; alloc ; } while(var) ;" => ";"
             if (Token::simpleMatch(tok2->next(), "do { dealloc ; alloc ; } while(var) ;"))
             {

test/testmemleak.cpp

@@ -709,6 +709,7 @@ private:
         ASSERT_EQUALS("; alloc ; alloc ;", simplifycode("; alloc ; do { alloc ; } loop ;"));
         ASSERT_EQUALS("; exit ;", simplifycode("; alloc ; do { } loop ; exit ;"));
         ASSERT_EQUALS("; loop use ;", simplifycode("; loop { loop loop use ; } ;"));
+        ASSERT_EQUALS("; }", simplifycode("; loop { if break ; break ; } ; }"));
 
         ASSERT_EQUALS("; alloc ;", simplifycode("; alloc ; while(!var) alloc ;"));