[Bug tree-optimization/20115] [4.0 Regression] Pure functions are mishandled

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-22 
14:19 -------
Note this was cause by:
2005-01-26  Diego Novillo  <[EMAIL PROTECTED]>

        PR tree-optimization/19633
        * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
        CALL_EXPRs.
        (maybe_create_global_var): Do not create .GLOBAL_VAR if there
        are no call-clobbered variables.
        * tree-outof-ssa.c (check_replaceable): Return false for calls
        with side-effects.




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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20115