[compiler-rt] r211008 - [asan] initialze varaibles to avoid a (false positive) report from gcc's -Wmaybe-uninitialized

Chandler Carruth chandlerc at gmail.com
Mon Jun 16 08:28:30 PDT 2014


On Mon, Jun 16, 2014 at 4:18 PM, David Blaikie <dblaikie at gmail.com> wrote:

> [+Chandler who's expressed this sentiment (a desire to avoid silencing
> false positive warnings when they limit the power of our tools to
> catch real bugs) previously]
>

As much as I do genuinely advocate this, I think compiler-rt and asan are
special for two reasons:

1) We can't reasonably run them under msan to find such bugs.

2) The runtimes are also used by GCC


I'm OK if we want a very narrow different rule for these runtimes, as long
as it doesn't grow to include LLVM more generally.
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