[Bug sanitizer/60536] Backtrace corrupted on Firefox build with -fsanitize=address and -flto

[kcc at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60536

--- Comment #10 from Kostya Serebryany <kcc at gcc dot gnu.org> ---

> ==10632==ERROR: AddressSanitizer: heap-use-after-free on address
> 0x60200001ec50 at pc 0x7f3e30645dbd bp 0x7fff6d3b2a60 sp 0x7fff6d3b2a38
> READ of size 2 at 0x60200001ec50 thread T0
>     #0 0x7f3e30645dbc in setlocale

So, sounds like a real use-after-free in firefox