[llvm] r272072 - [LibFuzzer] Declare and use sanitizer functions in ``fuzzer::ExternalFunctions``

[Dan Liew via llvm-commits]

On 7 June 2016 at 21:59, Kostya Serebryany <kcc at google.com> wrote:
> We still need attribute weak for malloc/free hooks.
> This change broke one of our use cases apparently not covered by any test.
> :(
> I've added weak attributes for these two functions back in r272116,
> hopefully it does not break Mac.
> Please check.

I've just checked. The LibFuzzer tests build and link fine on OSX.
Removing the weak attribute on the the malloc hooks was an accident. Sorry.