Fixed #2112 (Crash scanning qtcreator sources)

lib/checkmemoryleak.cpp

@@ -1282,7 +1282,7 @@ Token *CheckMemoryLeakInFunction::getcode(const Token *tok, std::list<const Toke
 
                     if (tok2->str() == "(")
                         f.push(tok2->previous());
-                    else if (tok2->str() == ")")
+                    else if (!f.empty() && tok2->str() == ")")
                         f.pop();
 
                     if (tok2->varId() == varid)

test/testmemleak.cpp

@@ -569,6 +569,13 @@ private:
 
         // call memcpy in class function..
         ASSERT_EQUALS(";;alloc;;", getcode("char *s; s = new char[10]; memcpy(s,a);", "s", true));
+
+        // #2112 - Segmentation fault in the getcode function
+        getcode("page *one = foo();\n"
+                "ASSERT(one, return 0)\n"
+                "const int two = rand();\n"
+                "return 0;\n"
+                "}", "one");
     }