[Bug middle-end/56113] out of memory when compiling a function with many goto labels (50k > )

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56113

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-29 14:24:01 UTC ---
Author: rguenth
Date: Tue Jan 29 14:23:48 2013
New Revision: 195542

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195542
Log:
2013-01-29  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/56113
    * tree-ssa-structalias.c (equiv_class_lookup): Also return
    the bitmap leader.
    (label_visit): Free duplicate bitmaps and record the leader instead.
    (perform_var_substitution): Adjust.

Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-ssa-structalias.c