[PATCH] Attribute noclone

[Richard Henderson]

On 07/17/2009 01:33 PM, Martin Jambor wrote:
>> What, specifically, is this need?
>
> testsuite/gcc.c-torture/execute/pr17377.c

For things like this, I've previously added -fno-ipa-cp to the testcase. 
  E.g. testsuite/gcc.dg/sibcall-6.c.

> Well, that was the idea... except for the bugs in ipa-cp, there should
> not be any.  OTOH, if any other pass creates clones, it might
> introduce problems like the one with pr17377.c testcase too and will
> need to be disabled too.  Thus noclone should work for all of them.

If we were to to this, we might as well just move the noinline check 
into copy_forbidden and just use the one attribute.


r~