fix #14352

Author: ludviggunne

lib/preprocessor.cpp

@@ -1072,11 +1072,19 @@ void Preprocessor::simplifyPragmaAsmPrivate(simplecpp::TokenList &tokenList)
             break;
         }
 
-        const simplecpp::Token * const tok4 = tok3->next;
         tok->setstr("asm");
         const_cast<simplecpp::Token *>(tok2)->setstr("(");
         const_cast<simplecpp::Token *>(tok3)->setstr(")");
-        const_cast<simplecpp::Token *>(tok4)->setstr(";");
+
+        simplecpp::Token * tok4;
+        if (tok3->next) {
+            tok4 = tok3->next;
+            tok4->setstr(";");
+        } else {
+            tok4 = new simplecpp::Token(";", tok3->location);
+            const_cast<simplecpp::Token *>(tok3)->next = tok4;
+        }
+
         while (tok4->next != endasm)
             tokenList.deleteToken(tok4->next);
     }