Add --no-background-compilation to tests that expect to run code in optimized form

tests/language/arithmetic_smi_overflow_test.dart

Index: tests/language/arithmetic_smi_overflow_test.dart
diff --git a/tests/language/arithmetic_smi_overflow_test.dart b/tests/language/arithmetic_smi_overflow_test.dart
index a0abb27e2bcd40bb7e3b3eeac7a19818c0a599dd..1a4eec14fda5ec3ef559630fe8a0a5a159555533 100644
--- a/tests/language/arithmetic_smi_overflow_test.dart
+++ b/tests/language/arithmetic_smi_overflow_test.dart
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 // Dart test program to test arithmetic operations.
 
-// VMOptions=--optimization_counter_threshold=5
+// VMOptions=--optimization_counter_threshold=5 --no-background_compilation
 
 import "package:expect/expect.dart";