[cfe-dev] more --sanitize= flags

[Alexander Potapenko]

-fsanitize=address,use-after-return sounds more like two distinct
sanitizers than a sanitizer and an option, although this is very similar to
the -Wl case.
On Nov 6, 2012 10:53 PM, "Kostya Serebryany" <kcc at google.com> wrote:

> Hi,
>
> We need more clang flags in two categories:
>    - flags that modify the behavior of asan/tsan/msan
>    - flags that enable additional features of asan/tsan/msan
>
> As we just discussed with Richard Smith, the flags should probably look
> like this:
>
> modify the behavior:
>    -f[no-]sanitize-address-zero-base-shadow # zero base for asan, should
> check that -pie is present, linux-only
>    -f[no-]sanitize-memory-track-origins  # msan track-origins (once msan
> is in trunk, of course)
>
> add additional features:
>   -fsanitize=address,global-init-order,use-after-return,use-after-scope #
> asan subphases, currently off by default.
>
> Does that sound good? Anything else?
>
> Thanks,
>
> --kcc
>
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