Update to go1.25.0

test/codegen/zerosize.go

@@ -18,8 +18,27 @@ func zeroSize() {
 	g(&s, 1, 2, 3, 4, 5)
 
 	// amd64:`LEAQ\tcommand-line-arguments\..*\+55\(SP\)`
+	c <- noliteral(struct{}{})
+}
+
+// Like zeroSize, but without hiding the zero-sized struct.
+func zeroSize2() {
+	c := make(chan struct{})
+	// amd64:`MOVQ\t\$0, command-line-arguments\.s\+48\(SP\)`
+	var s *int
+	// force s to be a stack object, also use some (fixed) stack space
+	g(&s, 1, 2, 3, 4, 5)
+
+	// amd64:`LEAQ\tcommand-line-arguments\..*stmp_\d+\(SB\)`
 	c <- struct{}{}
 }
 
 //go:noinline
 func g(**int, int, int, int, int, int) {}
+
+// noliteral prevents the compiler from recognizing a literal value.
+//
+//go:noinline
+func noliteral[T any](t T) T {
+	return t
+}