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[Bug tree-optimization/44258] [4.5 Regression] possible SRA wrong-code generation.



------- Comment #15 from jamborm at gcc dot gnu dot org  2010-06-15 10:03 -------
Subject: Bug 44258

Author: jamborm
Date: Tue Jun 15 10:03:35 2010
New Revision: 160776

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=160776
Log:
2010-06-15  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44258
        * tree-sra.c (build_access_subtree): Return false iff there is a
        partial overlap.
        (build_access_trees): Likewise.
        (analyze_all_variable_accesses): Disqualify candidates if
        build_access_trees returns true for them.

        * testsuite/gcc.dg/tree-ssa/pr44258.c: New test.


Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/pr44258.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_5-branch/gcc/tree-sra.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44258


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