const golang.org/x/tools/go/ast/edge.IndexExpr_X

3 uses

	golang.org/x/tools/go/ast/edge (current package)
		edge.go#L122: 	IndexExpr_X
		edge.go#L253: 	IndexExpr_X:           info[*ast.IndexExpr]("X"),

	golang.org/x/tools/go/ast/inspector
		walk.go#L84: 		walk(v, edge.IndexExpr_X, -1, n.X)