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[Bug tree-optimization/43572] [4.5/4.6 Regression] FAIL: gfortran.dg/PR19872.f execution test; formatted read - wrong numbers



------- Comment #22 from rguenth at gcc dot gnu dot org  2010-04-16 13:22 -------
Subject: Bug 43572

Author: rguenth
Date: Fri Apr 16 13:21:38 2010
New Revision: 158418

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158418
Log:
2010-04-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43572
        * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
        * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
        * tree-flow.h (is_call_clobbered): Remove.
        * tree-flow-inline.h (is_call_clobbered): Likewise.
        * tree-dfa.c (dump_variable): Do not dump call clobber state.
        * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
        (execute_return_slot_opt): Adjust.
        * tree-tailcall.c (suitable_for_tail_opt_p): Remove
        check for call clobbered vars here.
        (find_tail_calls): Move tailcall verification to the
        proper place.

        * gcc.dg/tree-ssa/tailcall-5.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/tailcall-5.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-dfa.c
    trunk/gcc/tree-flow-inline.h
    trunk/gcc/tree-flow.h
    trunk/gcc/tree-nrv.c
    trunk/gcc/tree-ssa-alias.c
    trunk/gcc/tree-ssa-alias.h
    trunk/gcc/tree-tailcall.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43572


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