How to easily identify that a FUNCTION_DECL is a lambda

[Nathan Sidwell]

On 07/16/2018 12:04 PM, Richard Biener wrote:

> Just use a spare bit in function_decl, then we can simply stream it.

If there's one, then sure.  (you've reminded me that there are a bunch 
of mutually disjoint flags in function_decl that could be collapsed to 
an enumeration.  This may be another such bit.)

nathan

-- 
Nathan Sidwell