[Bug middle-end/46458] Volatile status ignored for "(j > j)" during fold_comparison of fold-const.c

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46458

--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> 2010-11-12 
23:17:58 UTC ---
(In reply to comment #1)
> operand_equal_p should have return false for volatile declarations which it
> does in the C case.

That probably means that C has TREE_SIDE_EFFECTS set while Fortran does not.
Should one set TREE_SIDE_EFFECTS for volatile variables?