[Bug tree-optimization/65533] [5 Regression] 252.eon in SPEC CPU 2000 failed to build

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65533

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Mar 24 10:45:09 2015
New Revision: 221622

URL: https://gcc.gnu.org/viewcvs?rev=221622&root=gcc&view=rev
Log:
    PR tree-optimization/65533
    * tree-vect-slp.c (vect_build_slp_tree): Before re-trying
    with swapped operands, call vect_free_slp_tree on
    SLP_TREE_CHILDREN of child and truncate the SLP_TREE_CHILDREN
    vector.

    * gcc.dg/pr65533.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr65533.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-slp.c