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Re: optimization/3809: gcc-3.0 (release): array subscripting error (-1) in loop_p() in alias.c


Synopsis: gcc-3.0 (release): array subscripting error (-1) in loop_p() in alias.c

State-Changed-From-To: open->closed
State-Changed-By: rth
State-Changed-When: Tue Apr  2 03:00:24 2002
State-Changed-Why:
    Actually, the condition described can never happen legitimately;
    Index -1 is ENTRY_BLOCK, which would indicate that there is
    an edge from entry to exit that flows through no block, which
    is illegal.  So the bug is whereever created such a CFG.
    
    That said, all this has been completely rewritten for gcc 3.1.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=3809


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