builder: tweak output sizes

Author: dgryski

builder/sizes_test.go

@@ -41,10 +41,9 @@ func TestBinarySize(t *testing.T) {
 	// This is a small number of very diverse targets that we want to test.
 	tests := []sizeTest{
 		// microcontrollers
-		{"hifive1b", "examples/echo", 4560, 280, 0, 2268},
-		{"microbit", "examples/serial", 2868, 388, 8, 2272},
-		{"wioterminal", "examples/pininterrupt", 6104, 1484, 116, 6832},
-
+		{"hifive1b", "examples/echo", 5040, 280, 0, 2268},
+		{"microbit", "examples/serial", 2896, 388, 8, 2272},
+		{"wioterminal", "examples/pininterrupt", 6152, 1484, 116, 6832},
 		// TODO: also check wasm. Right now this is difficult, because
 		// wasm binaries are run through wasm-opt and therefore the
 		// output varies by binaryen version.