use $GC, $GL in gotest, to match gccgo's gotest.
use $GC, $GL in gotest, to match gccgo's gotest.

use $GC in all_test.go for portability.

R=r
DELTA=19  (12 added, 0 deleted, 7 changed)
OCL=23305
CL=23325

webfd/go-zh,scirelli/scirelli-go,d0f/go-zh,npe9/noahevans-go9,glycerine/jeaten-go-arrayof-structof,sanjosh/sanjos100-tipc,rflanagan/reginaldflanagan-project1,webfd/go-zh,bryanxu/go-zh,bryanxu/go-zh,rflanagan/reginaldflanagan-project1,npe9/noahevans-go9,glycerine/jeaten-go-arrayof-structof,Triskite/willstone-goclone,mhennings/marcohennings-go,scirelli/scirelli-go,Triskite/willstone-goclone,glycerine/jeaten-go-arrayof-structof,d0f/go-zh,bryanxu/go-zh,rdp/rogerpack2005-golang,rdp/rogerpack2005-golang,bryanxu/go-zh,scirelli/scirelli-go,sanjosh/sanjos100-tipc,rflanagan/reginaldflanagan-project1,mhennings/marcohennings-go,sanjosh/sanjos100-tipc,bryanxu/go-zh,webfd/go-zh,glycerine/jeaten-go-arrayof-structof,glycerine/jeaten-go-arrayof-structof,Triskite/willstone-goclone,scirelli/scirelli-go,webfd/go-zh,d0f/go-zh,d0f/go-zh,mhennings/marcohennings-go,scirelli/scirelli-go,Triskite/willstone-goclone,rdp/rogerpack2005-golang,rflanagan/reginaldflanagan-project1,bryanxu/go-zh,rdp/rogerpack2005-golang,d0f/go-zh,rflanagan/reginaldflanagan-project1,d0f/go-zh,sanjosh/sanjos100-tipc,mhennings/marcohennings-go,sanjosh/sanjos100-tipc,rflanagan/reginaldflanagan-project1,scirelli/scirelli-go,Triskite/willstone-goclone,mhennings/marcohennings-go,rdp/rogerpack2005-golang,d0f/go-zh,mhennings/marcohennings-go,npe9/noahevans-go9,bryanxu/go-zh,webfd/go-zh,Triskite/willstone-goclone,rdp/rogerpack2005-golang,npe9/noahevans-go9,glycerine/jeaten-go-arrayof-structof,webfd/go-zh,rdp/rogerpack2005-golang,npe9/noahevans-go9,sanjosh/sanjos100-tipc,webfd/go-zh,rdp/rogerpack2005-golang,glycerine/jeaten-go-arrayof-structof,sanjosh/sanjos100-tipc,sanjosh/sanjos100-tipc,npe9/noahevans-go9,npe9/noahevans-go9,glycerine/jeaten-go-arrayof-structof,rflanagan/reginaldflanagan-project1,scirelli/scirelli-go,mhennings/marcohennings-go,webfd/go-zh,npe9/noahevans-go9,mhennings/marcohennings-go,bryanxu/go-zh,Triskite/willstone-goclone,d0f/go-zh,scirelli/scirelli-go,Triskite/willstone-goclone,rflanagan/reginaldflanagan-project1