[Bug c++/70690] [6/7 Regression] r235002 miscompiles tcmalloc

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70690

--- Comment #10 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
But this isn't tcmalloc, but jemalloc:

https://github.com/jemalloc/jemalloc/blob/dev/test/integration/mallocx.c#L70