[Bug rtl-optimization/38722] [4.4 Regression] Revision 143027 causes ICE in find_decomposable_subregs

[jakub at gcc dot gnu dot org]

------- Comment #18 from jakub at gcc dot gnu dot org  2009-01-06 20:42 -------
Subject: Bug 38722

Author: jakub
Date: Tue Jan  6 20:41:52 2009
New Revision: 143132

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143132
Log:
        PR rtl-optimization/38722
        * combine.c (try_combine): Don't modify PATTERN (i3) and notes
        too early, only set a flag and modify after last possible
        undo_all point.

        * gfortran.dg/pr38722.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr38722.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38722