[PATCH] Fix DSE with nop or maybe nop assignments (PR c++/34459)

Diego Novillo dnovillo@google.com
Thu Dec 20 13:09:00 GMT 2007


On 12/19/07 19:02, Jakub Jelinek wrote:

> 	PR c++/34459
> 	* tree-ssa-dse.c (dse_optimize_stmt): Don't eliminate store if
> 	USE_STMT not only stores into the same object as STMT, but might
> 	read it too.
> 
> 	* gcc.c-torture/execute/20071219-1.c: New test.

OK.  DSE needs to be rewritten.


Diego.



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