[cfe-dev] [LLVMdev] RFC: Adding attribute(nonnull) to things in libc++

Joerg Sonnenberger joerg at britannica.bec.de
Mon Jun 1 14:14:15 PDT 2015

On Mon, Jun 01, 2015 at 10:52:20AM -0700, Marshall Clow wrote:
> P.S.   recent gcc (at least 4.8.x and later) make optimizations based on
> this UB (i.e, if you pass a pointer to memcpy, then it can't be NULL).

BTW, this seems to be more an issue with glibc adding the tagging and
not behavior of GCC itself.


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