[Bug fortran/55341] address-sanitizer and Fortran

[kcc at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55341

--- Comment #25 from Kostya Serebryany <kcc at gcc dot gnu.org> 2012-12-19 10:32:29 UTC ---
>> So, to fix this, either libasan should for memset ignore any diagnostics for
>> stores into shadow memory area, 

That's not a good choice. I remember actually catching a bug or two when a
program was reading wild addresses and hitting the shadow. 

>> or I'll need to force somehow that memset is never generated for it, 

This is imho the best choice. 

>> or we could have a non-instrumented memset alternative in libasan and we could call that.

That's doable too, although it will look strange and I'd prefer to avoid this.