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 929 /* In any expression, decl, or constant, nonzero means it has side effects or
 930    reevaluation of the whole expression could produce a different value.
 931    This is set if any subexpression is a function call, a side effect or a
 932    reference to a volatile variable.  In a ..._DECL, this is set only if the
 933    declaration said `volatile'.  This will never be set for a constant.  */
934 #define TREE_SIDE_EFFECTS(NODE) \
935   (NON_TYPE_CHECK (NODE)->common.side_effects_flag)


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