r235452 - in /trunk/gcc/go/gofrontend: MERGE ex...

[ian@gcc.gnu.org]

Author: ian
Date: Tue Apr 26 20:37:58 2016
New Revision: 235452

URL: https://gcc.gnu.org/viewcvs?rev=235452&root=gcc&view=rev
Log:
    compiler: Add Enclosed_var_expression.
    
    Introduces an abstraction for a variable referenced in a closure.
    This maintains the underlying expression which accesses a field within
    a closure variable and gives easy access to the underlying
    Named_object.
    
    Reviewed-on: https://go-review.googlesource.com/22374

Modified:
    trunk/gcc/go/gofrontend/MERGE
    trunk/gcc/go/gofrontend/expressions.cc
    trunk/gcc/go/gofrontend/expressions.h
    trunk/gcc/go/gofrontend/parse.cc