[PATCH] Fix PR 18746, fab causing more problems

[Diego Novillo]

On Wed, 2004-12-01 at 14:02 -0500, Andrew MacLeod wrote:

> Do you mean call get_stmt_operands() on all stmts before clearing the
> alias sets?
>
Yes.  As a mean of setting the clean bit on every statement.  Having
modified statements while computing aliases is what led to this problem.

> Doesnt help for 4.0, but in 4.1 modify_stmt() should no
> longer be updating this stuff lazily, so the operands will always be up
> to date. Meaning you get the equivalent of a prior pass of refreshing
> for free.  It just might change how you view the solution for 4.0....
> 
Excellent.


Diego.