Null pointer check elimination

[Diego Novillo]

On Saturday 12 November 2005 01:53, Ian Lance Taylor wrote:

> Note that it is also possible to simply store the attribute on
> DECL_ATTRIBUTES and look it up using lookup_attribute.
>
This is my strong preference.  The original RFE (PR 20318) called for 
attributes to be used in C/C++ function declarations.  It would be 
pointless to have to lookup this attributes in two different ways inside 
tree-vrp.c.