master
cmd/compile: require -p flag
test: add tests for runtime.itab.init
test: convert tests to run.go whenever possible.
all: make copyright headers consistent with one space after period
cmd/compile: do more type conversion inline
test/interface: document tests Most already had comments (yay); adjusted for consistency.
[dev.typeparams] test: adjust more test cases to match compiler -G output
cmd/compile: use "missing method m" instead of "missing m method"
cmd/gc: blank methods are not permitted in interface types
go/types, types2: more systematic use of Checker.use und useLHS
test: use testlib (another bunch).