vm: Generate 'and' instruction for Smi values.

runtime/vm/intrinsifier_arm64.cc

Index: runtime/vm/intrinsifier_arm64.cc
diff --git a/runtime/vm/intrinsifier_arm64.cc b/runtime/vm/intrinsifier_arm64.cc
index fd0c0538efaf361a060e568820177df9ca31feef..d792f240e05839546c1529bce47688b0951376a7 100644
--- a/runtime/vm/intrinsifier_arm64.cc
+++ b/runtime/vm/intrinsifier_arm64.cc
@@ -669,6 +669,11 @@ void Intrinsifier::Smi_bitLength(Assembler* assembler) {
 }
 
 
+void Intrinsifier::Smi_bitAndFromSmi(Assembler* assembler) {
+  Integer_bitAndFromInteger(assembler);
+}
+
+
 void Intrinsifier::Bigint_lsh(Assembler* assembler) {
   // static void _lsh(Uint32List x_digits, int x_used, int n,
   //                  Uint32List r_digits)