[Bug rtl-optimization/66076] [5/6 Regression] ICE: in vec_safe_grow, at vec.h:618 with -funroll-loops -mno-prefer-avx128 -march=bdver4

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66076

--- Comment #3 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
---
Author: rsandifo
Date: Mon May 11 09:35:53 2015
New Revision: 222999

URL: https://gcc.gnu.org/viewcvs?rev=222999&root=gcc&view=rev
Log:
gcc/
        PR rtl-optimization/66076
        * rtlanal.c (generic_subrtx_iterator <T>::add_single_to_queue):
        Don't grow the heap array if it is already big enough from a
        previous iteration.

gcc/testsuite/
        PR rtl-optimization/66076
        * gcc.dg/torture/pr66076.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr66076.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/rtlanal.c
    trunk/gcc/testsuite/ChangeLog