[PATCH] Fix missed DSE opportunity with operator delete.

[Bernd Schmidt]

On 04/19/2016 10:48 PM, Mikhail Maltsev wrote:
> On 04/18/2016 12:14 PM, Richard Biener wrote:
>>
>> Enlarging tree_function_decl is bad.
> Probably using 3 bits for malloc_flag, operator_new_flag and free_flag is
> redundant. I packed the state into 2 bits.
>>
>> Passes should get at the info via flags_from_decl_or_type () and a new
>> ECF_FREE.
> Fixed.

I think we should also have a testcase that verifies that no DSE happens 
for something that has a destructor.


Bernd