[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)

[jakub at gcc dot gnu.org]

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

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-06-18 
07:50:33 UTC ---
Created attachment 27648
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27648
gcc48-pr53706.patch

The attached patch fixes the problem for me.  Alex, what do you think about it?