Displaying 2 results from an estimated 2 matches for "a3ca86aea507".
2018 Apr 18
5
RFC: Implementing -fno-delete-null-pointer-checks in clang
...s in clang/llvm related to null pointer accesses.
Thanks,
Manoj
Background:
https://lkml.org/lkml/2018/4/4/601
From Linus Torvalds:
Note that we explicitly use "-fno-delete-null-pointer-checks" because
we do *not* want NULL pointer check removal even in the case of a bug.
See commit a3ca86aea507 ("Add '-fno-delete-null-pointer-checks' to gcc
CFLAGS") for the reason: we had buggy code that accessed a pointer
before the NULL pointer check, but the bug was "benign" as long as the
compiler didn't actually remove the check.
And note how the buggy code *looked* s...
2018 May 13
0
RFC: Implementing -fno-delete-null-pointer-checks in clang
...hanks,
> Manoj
>
> Background:
> https://lkml.org/lkml/2018/4/4/601
>
> From Linus Torvalds:
>
> Note that we explicitly use "-fno-delete-null-pointer-checks" because
> we do *not* want NULL pointer check removal even in the case of a bug.
>
> See commit a3ca86aea507 ("Add '-fno-delete-null-pointer-checks' to gcc
> CFLAGS") for the reason: we had buggy code that accessed a pointer
> before the NULL pointer check, but the bug was "benign" as long as the
> compiler didn't actually remove the check.
>
> And note how t...