[Bug rtl-optimization/47028] [4.6 Regression] gcc.dg/tree-ssa/tailrecursion-[57].c FAIL with -foptimize-sibling-calls -fno-forward-propagate -fno-tree-copy-prop -fno-tree-dominator-opts

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47028

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-02 
17:07:18 UTC ---
Author: jakub
Date: Sun Jan  2 17:07:15 2011
New Revision: 168401

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168401
Log:
    PR rtl-optimization/47028
    * cfgexpand.c (gimple_expand_cfg): Insert entry edge
    insertions after parm_birth_insn instead of at the beginning
    of first bb.

    * gcc.dg/pr47028.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr47028.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/testsuite/ChangeLog