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[Bug ada/21242] ACATS wrong array copy code c52102b c52102d (works with -fno-tree-dce)
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Jun 2005 12:34:00 -0000
- Subject: [Bug ada/21242] ACATS wrong array copy code c52102b c52102d (works with -fno-tree-dce)
- References: <20050427060430.21242.laurent@guerby.net>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-06-19 12:33 -------
Huh:
# VUSE <D.486_68>;
# VUSE <C.26_118>;
(*a.3_27)[-1 ...]{lb: -1 sz: 1} = D.486;
Why is there no V_MUST_DEF/V_MAY_DEF in there?
This is an aliasing bug.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21242