Log output when compile fails

Hello,

When I compiling a block code C/C++ within some errors:

```
  #include "iostream"
  using namespace std;

  int mainccc()
  {
    int n, sum = 0;
    //...
    return 0;
  }
```

(The error at "_int mainccc()_")

We will get a message "Compilation Failed".

It is not enough.

How do I get fully message error when compiling?

Thanks.