[Bug c++/4794] gcc hangs on small, simple code fragment

[pinskia@physics.uc.edu]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=4794



------- Additional Comments From pinskia@physics.uc.edu  2003-06-15 04:09 -------
Looks like this could be fixed by using walk_tree_without_duplicates.