don't crash when printing error messages about symbols in a garbled state.
render OCOMPLIT in export mode.
R=rsc
CC=golang-dev
https://golang.org/cl/5466045
mark OADDR inserted by typecheck as implicit
OCOPY takes ->left and ->right, not ->list
OMAKE*'s can all have arguments
precedence for OIND was initalized twice
fixes#2414
R=rsc, dave
CC=golang-dev
https://golang.org/cl/5319065
Got rid of all the magic mystery globals. Now
for %N, %T, and %S, the flags +,- and # set a sticky
debug, sym and export mode, only visible in the new fmt.c.
Default is error mode. Handle h and l flags consistently with
the least side effects, so we can now change
things without worrying about unrelated things
breaking.
fixes#2361
R=rsc
CC=golang-dev
https://golang.org/cl/5316043