go/usr
Russ Cox 3f8aa662e9 add support for ref counts to memory allocator.
mark and sweep, stop the world garbage collector
(intermediate step in the way to ref counting).
can run pretty with an explicit gc after each file.

R=r
DELTA=502  (346 added, 143 deleted, 13 changed)
OCL=20630
CL=20635
2008-12-05 15:24:18 -08:00
..
gri - adjusted const decl grammar to reflect spec changes 2008-12-04 18:18:41 -08:00
rsc/mem add support for ref counts to memory allocator. 2008-12-05 15:24:18 -08:00