https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82146
--- Comment #7 from Jonathan Wakely ---
https://isocpp.org/wiki/faq/references#refs-not-null
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82146
--- Comment #6 from Jonathan Wakely ---
(In reply to MaaSoftware from comment #5)
> Ok.
>
> I am sorry,
> return MyFunc(Num, *(CMaaString *)NULL, doc); // produces GPF in calling
> method not here.
So what? Dereferencing a null pointer has
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82146
--- Comment #5 from MaaSoftware ---
Ok.
I am sorry,
return MyFunc(Num, *(CMaaString *)NULL, doc); // produces GPF in calling method
not here.
I have think before what all references are object memory pointers inside
compiller, just it is more
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82146
--- Comment #4 from Jonathan Wakely ---
This has nothing to do with a new standard, *(CMaaString *)NULL is simply
undefined behaviour, and that has alawys been true. You cannot dereference a
null pointer.
The bug is there, not inside MyFunc or
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82146
--- Comment #3 from MaaSoftware ---
Ok. So, it is need to review such code according new standard.
PS: g++ 4.9.2 (Debian 8 Jessie) is compilling code above right.
But it is not sufficient for 6.3.0 to write a function like
void
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82146
Marc Glisse changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82146
--- Comment #1 from MaaSoftware ---
it is a sample,
int CMyClass::MyFunc
can be as
bool CMyClass::MyFunc