[Bug tree-optimization/26421] tree-ssa-alias.c:find_used_portions considers foo(&var) use all elements of var

[rguenth at gcc dot gnu dot org]

------- Comment #7 from rguenth at gcc dot gnu dot org  2006-02-26 21:02 -------
Subject: Bug 26421

Author: rguenth
Date: Sun Feb 26 21:02:43 2006
New Revision: 111461

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=111461
Log:
2006-02-26  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/26421
        * tree-ssa-alias.c (find_used_portions): Don't treat parameters
        in function calls that are ADDR_EXPRs as using the whole structure.

        * gcc.dg/tree-ssa/pr26421.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr26421.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-alias.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26421