go.tools/ssa: avoid calling go/types.NewSelection, and eliminate it.
Also: s/LookupMethod/Method/
R=gri
CC=golang-dev
https://golang.org/cl/12058052
diff --git a/ssa/ssa.go b/ssa/ssa.go
index 453b5a0..c08b3e6 100644
--- a/ssa/ssa.go
+++ b/ssa/ssa.go
@@ -584,7 +584,7 @@
// value of a concrete type.
//
// Use X.Type().MethodSet() to find the method-set of X, and
-// Program.LookupMethod(m) to find the implementation of a method.
+// Program.Method(m) to find the implementation of a method.
//
// To construct the zero value of an interface type T, use:
// NewConst(exact.MakeNil(), T, pos)
