Make array allocation stub shared between isolates.

runtime/vm/instructions_mips_test.cc

Index: runtime/vm/instructions_mips_test.cc
diff --git a/runtime/vm/instructions_mips_test.cc b/runtime/vm/instructions_mips_test.cc
index 6c6fe075613c0bd57be0633810642d641991fc37..0979560707ad7eab8d586b6a166c1bee1d80df0a 100644
--- a/runtime/vm/instructions_mips_test.cc
+++ b/runtime/vm/instructions_mips_test.cc
@@ -15,8 +15,7 @@ namespace dart {
 #define __ assembler->
 
 ASSEMBLER_TEST_GENERATE(Call, assembler) {
-  StubCode* stub_code = Isolate::Current()->stub_code();
-  __ BranchLinkPatchable(&stub_code->InvokeDartCodeLabel());
+  __ BranchLinkPatchable(&StubCode::InvokeDartCodeLabel());
   __ Ret();
 }
 
@@ -28,17 +27,14 @@ ASSEMBLER_TEST_RUN(Call, test) {
   // return jump.
   CallPattern call(test->entry() + test->code().Size() - (2*Instr::kInstrSize),
                    test->code());
-  StubCode* stub_code = Isolate::Current()->stub_code();
-  EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(),
+  EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(),
             call.TargetAddress());
 }
 
 
 ASSEMBLER_TEST_GENERATE(Jump, assembler) {
-  StubCode* stub_code = Isolate::Current()->stub_code();
-  __ BranchPatchable(&stub_code->InvokeDartCodeLabel());
-  const Code& array_stub = Code::Handle(stub_code->GetAllocateArrayStub());
-  const ExternalLabel array_label(array_stub.EntryPoint());
+  __ BranchPatchable(&StubCode::InvokeDartCodeLabel());
+  const ExternalLabel array_label(StubCode::AllocateArrayEntryPoint());
   __ BranchPatchable(&array_label);
 }
 
@@ -50,21 +46,21 @@ ASSEMBLER_TEST_RUN(Jump, test) {
       VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()),
                              instrs.size(),
                              VirtualMemory::kReadWrite);
-  StubCode* stub_code = Isolate::Current()->stub_code();
   EXPECT(status);
   JumpPattern jump1(test->entry(), test->code());
-  EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(),
+  EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(),
             jump1.TargetAddress());
   JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(),
                     test->code());
-  const Code& array_stub = Code::Handle(stub_code->GetAllocateArrayStub());
+  const Code& array_stub =
+      Code::Handle(StubCode::AllocateArray_entry()->code());
   EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress());
   uword target1 = jump1.TargetAddress();
   uword target2 = jump2.TargetAddress();
   jump1.SetTargetAddress(target2);
   jump2.SetTargetAddress(target1);
   EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress());
-  EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(),
+  EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(),
             jump2.TargetAddress());
 }