- make forward declarations of types match 6g
- better factoring

R=r
OCL=14059
CL=14059

R=r
DELTA=22  (21 added, 0 deleted, 1 changed)
OCL=14049
CL=14049

R=r
DELTA=17  (11 added, 3 deleted, 3 changed)
OCL=14048
CL=14048

R=r
DELTA=11  (10 added, 1 deleted, 0 changed)
OCL=14047
CL=14047

R=r
DELTA=1685  (920 added, 765 deleted, 0 changed)
OCL=14030
CL=14030

R=r
DELTA=149  (80 added, 62 deleted, 7 changed)
OCL=14029
CL=14029

R=gri
OCL=14025
CL=14025

R=r
DELTA=427  (427 added, 0 deleted, 0 changed)
OCL=14017
CL=14017

R=r
DELTA=381  (142 added, 26 deleted, 213 changed)
OCL=14011
CL=14016

- removed bug042.go - not a bug according to updated spec

R=r
DELTA=43  (5 added, 36 deleted, 2 changed)
OCL=14008
CL=14010

clean up the golden file a bit to have less meaningless content and be more robust to spurious diffs.
now there is output only for tests that produce output or failure.

R=gri
OCL=14005
CL=14005

Before the change:

acid: M(m0)
	g0	00008dd0
	morearg	00000000
	cret	00000000
	curg	2aaaaaaab000
	lastg	00000000
Gobuf sched {
	SP	ffffe5e0
	PC	7fff00001ba1
}
	...
acid:

After the change:

acid: M(m0)
	g0	(G)00008dd0
	morearg	00000000
	cret	00000000
	curg	(G)2aaaaaaab000
	lastg	(G)00000000
	Gobuf sched {
		SP	ffffe5e0
		PC	00001ba1
	}
	...
acid:

R=ken
DELTA=27  (14 added, 2 deleted, 11 changed)
OCL=13802
CL=13998

if an import file is missing, the corresponding source
is compiled automatically, if found

R=r
OCL=13990
CL=13990

R=r
OCL=13989
CL=13989

fix an issue with autolib names by compiling to target location
print a bit more when compiling

R=gri
OCL=13988
CL=13988

(do not allow explicit type forward declarations) and more clearly
specify resolution

R=r
DELTA=30  (9 added, 7 deleted, 14 changed)
OCL=13967
CL=13987

also rob1.go runs, so fix its status.

R=gri,iant
OCL=13957
CL=13957

- change test_scanner to scan using both methods
- add -pscan flag to Go front-end to choose between conventional
  synchronous or parallel asynchronous scanning

R=r
OCL=13937
CL=13937

R=r
OCL=13932
CL=13932

failure if no return is actually executed

R=r
OCL=13915
CL=13915

- distinguish float/int literals syntactically
- fixed a tracing bug

R=r
OCL=13906
CL=13906

R=r
OCL=13898
CL=13898

- more self-verification code

R=r
OCL=13894
CL=13894

(apparently my first attempt didn't work.)

R=r
OCL=13888
CL=13888

* rewrite lock implementation to be correct
  (tip: never assume that an algorithm you found
  in a linux man page is correct.)
* delete unneeded void* arg from clone fn
* replace Rendez with Note
* comment mal better
* use 6c -w, fix warnings
* mark all assembly functions 7

R=r
DELTA=828  (338 added, 221 deleted, 269 changed)
OCL=13884
CL=13886

R=ken,gri
OCL=13879
CL=13879

TBR=iant
OCL=13873
CL=13873

these files were missing from the acid change
(include/mach_amd64.h in particular)

R=r
OCL=13858
CL=13858

R=r
DELTA=7031  (6906 added, 113 deleted, 12 changed)
OCL=13847
CL=13852

- adjusted lang doc

R=r
DELTA=192  (26 added, 65 deleted, 101 changed)
OCL=13844
CL=13848

* kick off new os procs (machs) as needed
* add sys·sleep for testing
* add Lock, Rendez
* properly lock mal, sys·newproc, scheduler
* linux syscall arg #4 is in R10, not CX
* chans are not multithread-safe yet
* multithreading disabled by default;
  set $gomaxprocs=2 (or 1000) to turn it on

This should build on OS X but may not.
Rob and I will fix soon after submitting.

TBR=r
OCL=13784
CL=13842

R=rsc
OCL=13840
CL=13840

- deprecate old syntax in this front-end (use -6g for compatibility)

R=r
OCL=13831
CL=13833

R=gri
OCL=13819
CL=13819

R=r
OCL=13816
CL=13816

R=r
DELTA=16  (10 added, 4 deleted, 2 changed)
OCL=13815
CL=13815

- use new export syntax

R=r
OCL=13807
CL=13807

TBR=rsc
OCL=13804
CL=13804

R=r
DELTA=339  (339 added, 0 deleted, 0 changed)
OCL=13786
CL=13794

This makes it easy to build with other flags
(like -ggdb) or other compilers (like cc64).

R=r
DELTA=45  (6 added, 22 deleted, 17 changed)
OCL=13790
CL=13793