[Bug rtl-optimization/53706] [4.8 Regression] Bootstrap failure due to "Invalid write of size 8 at 0xBDC35E: variable_htab_free (var-tracking.c:1418)

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53706

--- Comment #19 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-06-27 
06:30:05 UTC ---
Alas, it doesn't work on i686 or x86_64: the free_alloc_pool in vt_finalize has
to be conditional on non-NULL, because we will skip vt_emit_notes (and thus the
initializer) in some cases.  I'm in awe that this didn't happen on ia64!