compiler: update golang.org/x/tools/go/ssa package

This update includes support for the new range loops over integers.

testdata/go1.22.go

@@ -0,0 +1,33 @@
+package main
+
+func main() {
+	testIntegerRange()
+	testLoopVar()
+}
+
+func testIntegerRange() {
+	for i := range 10 {
+		println(10 - i)
+	}
+	println("go1.22 has lift-off!")
+}
+
+func testLoopVar() {
+	var f func() int
+	for i := 0; i < 1; i++ {
+		if i == 0 {
+			f = func() int { return i }
+		}
+	}
+	// Prints 1 in Go 1.21, or 0 in Go 1.22.
+	// TODO: this still prints Go 1.21 even in Go 1.22. We probably need to
+	// specify the Go version somewhere.
+	n := f()
+	if n == 0 {
+		println("behaves like Go 1.22")
+	} else if n == 1 {
+		println("behaves like Go 1.21")
+	} else {
+		println("unknown behavior")
+	}
+}

testdata/go1.22.txt

@@ -0,0 +1,12 @@
+10
+9
+8
+7
+6
+5
+4
+3
+2
+1
+go1.22 has lift-off!
+behaves like Go 1.21