Static Chain Argument in call_expr

[Paulo J. Matos]

Hello,

in tree.def, in DEFTREECODE for call_expr, it says operand 2 is the
static chain argument, or NULL. Can someone tell me or reference me to
what static chain argument is?

Cheers,
-- 
Paulo Jorge Matos - pocm at soton.ac.uk
http://www.personal.soton.ac.uk/pocm
PhD Student @ ECS
University of Southampton, UK