Merge "ART: Improve Dbg::GetRecentAllocations"
diff --git a/Android.mk b/Android.mk
index 0402513..a4473f5 100644
--- a/Android.mk
+++ b/Android.mk
@@ -380,11 +380,12 @@
 # * We will never add them if PRODUCT_ART_TARGET_INCLUDE_DEBUG_BUILD = false.
 # * We will always add them if PRODUCT_ART_TARGET_INCLUDE_DEBUG_BUILD = true.
 # * Otherwise, we will add them by default to userdebug and eng builds.
-ifneq (false,$(PRODUCT_ART_TARGET_INCLUDE_DEBUG_BUILD))
-ifneq (,$(filter userdebug eng,$(PRODUCT_TARGET_BUILD_VARIANT)))
-  PRODUCT_ART_TARGET_INCLUDE_DEBUG_BUILD := true
+art_target_include_debug_build := $(PRODUCT_ART_TARGET_INCLUDE_DEBUG_BUILD)
+ifneq (false,$(art_target_include_debug_build))
+ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
+  art_target_include_debug_build := true
 endif
-ifeq (true,$(PRODUCT_ART_TARGET_INCLUDE_DEBUG_BUILD))
+ifeq (true,$(art_target_include_debug_build))
 LOCAL_REQUIRED_MODULES += \
     libartd \
     libartd-compiler \
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..7297a14
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,3 @@
+ngeoffray@google.com
+sehr@google.com
+*
diff --git a/compiler/Android.bp b/compiler/Android.bp
index 62226da..b19e627 100644
--- a/compiler/Android.bp
+++ b/compiler/Android.bp
@@ -356,6 +356,7 @@
         "optimizing/live_interval_test.cc",
         "optimizing/loop_optimization_test.cc",
         "optimizing/nodes_test.cc",
+        "optimizing/nodes_vector_test.cc",
         "optimizing/parallel_move_test.cc",
         "optimizing/pretty_printer_test.cc",
         "optimizing/reference_type_propagation_test.cc",
diff --git a/compiler/optimizing/nodes_vector.h b/compiler/optimizing/nodes_vector.h
index 5dbe29b..dc522a4 100644
--- a/compiler/optimizing/nodes_vector.h
+++ b/compiler/optimizing/nodes_vector.h
@@ -46,6 +46,10 @@
     return "ALIGN(" + std::to_string(base_) + "," + std::to_string(offset_) + ")";
   }
 
+  bool operator==(const Alignment& other) const {
+    return base_ == other.base_ && offset_ == other.offset_;
+  }
+
  private:
   size_t base_;
   size_t offset_;
@@ -96,6 +100,13 @@
     return GetPackedField<TypeField>();
   }
 
+  bool CanBeMoved() const OVERRIDE { return true; }
+
+  bool InstructionDataEquals(const HInstruction* other) const OVERRIDE {
+    const HVecOperation* o = other->AsVecOperation();
+    return GetVectorLength() == o->GetVectorLength() && GetPackedType() == o->GetPackedType();
+  }
+
   DECLARE_ABSTRACT_INSTRUCTION(VecOperation);
 
  protected:
@@ -189,6 +200,11 @@
   HInstruction* GetArray() const { return InputAt(0); }
   HInstruction* GetIndex() const { return InputAt(1); }
 
+  bool InstructionDataEquals(const HInstruction* other) const OVERRIDE {
+    const HVecMemoryOperation* o = other->AsVecMemoryOperation();
+    return HVecOperation::InstructionDataEquals(o) && GetAlignment() == o->GetAlignment();
+  }
+
   DECLARE_ABSTRACT_INSTRUCTION(VecMemoryOperation);
 
  private:
@@ -378,6 +394,13 @@
   bool IsUnsigned() const { return GetPackedFlag<kFieldHAddIsUnsigned>(); }
   bool IsRounded() const { return GetPackedFlag<kFieldHAddIsRounded>(); }
 
+  bool InstructionDataEquals(const HInstruction* other) const OVERRIDE {
+    const HVecHalvingAdd* o = other->AsVecHalvingAdd();
+    return HVecOperation::InstructionDataEquals(o) &&
+        IsUnsigned() == o->IsUnsigned() &&
+        IsRounded() == o->IsRounded();
+  }
+
   DECLARE_INSTRUCTION(VecHalvingAdd);
 
  private:
@@ -466,6 +489,11 @@
 
   bool IsUnsigned() const { return GetPackedFlag<kFieldMinOpIsUnsigned>(); }
 
+  bool InstructionDataEquals(const HInstruction* other) const OVERRIDE {
+    const HVecMin* o = other->AsVecMin();
+    return HVecOperation::InstructionDataEquals(o) && IsUnsigned() == o->IsUnsigned();
+  }
+
   DECLARE_INSTRUCTION(VecMin);
 
  private:
@@ -496,6 +524,11 @@
 
   bool IsUnsigned() const { return GetPackedFlag<kFieldMaxOpIsUnsigned>(); }
 
+  bool InstructionDataEquals(const HInstruction* other) const OVERRIDE {
+    const HVecMax* o = other->AsVecMax();
+    return HVecOperation::InstructionDataEquals(o) && IsUnsigned() == o->IsUnsigned();
+  }
+
   DECLARE_INSTRUCTION(VecMax);
 
  private:
@@ -694,10 +727,9 @@
   static constexpr int kInputMulLeftIndex = 1;
   static constexpr int kInputMulRightIndex = 2;
 
-  bool CanBeMoved() const OVERRIDE { return true; }
-
   bool InstructionDataEquals(const HInstruction* other) const OVERRIDE {
-    return op_kind_ == other->AsVecMultiplyAccumulate()->op_kind_;
+    const HVecMultiplyAccumulate* o = other->AsVecMultiplyAccumulate();
+    return HVecOperation::InstructionDataEquals(o) && GetOpKind() == o->GetOpKind();
   }
 
   InstructionKind GetOpKind() const { return op_kind_; }
@@ -732,10 +764,16 @@
     SetRawInputAt(1, index);
     SetPackedFlag<kFieldIsStringCharAt>(is_string_char_at);
   }
-  DECLARE_INSTRUCTION(VecLoad);
 
   bool IsStringCharAt() const { return GetPackedFlag<kFieldIsStringCharAt>(); }
 
+  bool InstructionDataEquals(const HInstruction* other) const OVERRIDE {
+    const HVecLoad* o = other->AsVecLoad();
+    return HVecMemoryOperation::InstructionDataEquals(o) && IsStringCharAt() == o->IsStringCharAt();
+  }
+
+  DECLARE_INSTRUCTION(VecLoad);
+
  private:
   // Additional packed bits.
   static constexpr size_t kFieldIsStringCharAt = HVecOperation::kNumberOfVectorOpPackedBits;
@@ -767,7 +805,11 @@
     SetRawInputAt(1, index);
     SetRawInputAt(2, value);
   }
+
+  bool CanBeMoved() const OVERRIDE { return false; }
+
   DECLARE_INSTRUCTION(VecStore);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(HVecStore);
 };
diff --git a/compiler/optimizing/nodes_vector_test.cc b/compiler/optimizing/nodes_vector_test.cc
new file mode 100644
index 0000000..d33f8e5
--- /dev/null
+++ b/compiler/optimizing/nodes_vector_test.cc
@@ -0,0 +1,309 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "base/arena_allocator.h"
+#include "nodes.h"
+#include "optimizing_unit_test.h"
+
+namespace art {
+
+/**
+ * Fixture class for testing vector nodes.
+ */
+class NodesVectorTest : public CommonCompilerTest {
+ public:
+  NodesVectorTest()
+      : pool_(),
+        allocator_(&pool_),
+        graph_(CreateGraph(&allocator_)) {
+    BuildGraph();
+  }
+
+  ~NodesVectorTest() { }
+
+  void BuildGraph() {
+    graph_->SetNumberOfVRegs(1);
+    entry_block_ = new (&allocator_) HBasicBlock(graph_);
+    exit_block_ = new (&allocator_) HBasicBlock(graph_);
+    graph_->AddBlock(entry_block_);
+    graph_->AddBlock(exit_block_);
+    graph_->SetEntryBlock(entry_block_);
+    graph_->SetExitBlock(exit_block_);
+    parameter_ = new (&allocator_) HParameterValue(graph_->GetDexFile(),
+                                                   dex::TypeIndex(0),
+                                                   0,
+                                                   Primitive::kPrimInt);
+    entry_block_->AddInstruction(parameter_);
+  }
+
+  // General building fields.
+  ArenaPool pool_;
+  ArenaAllocator allocator_;
+  HGraph* graph_;
+
+  HBasicBlock* entry_block_;
+  HBasicBlock* exit_block_;
+
+  HInstruction* parameter_;
+};
+
+//
+// The actual vector nodes tests.
+//
+
+TEST(NodesVector, Alignment) {
+  EXPECT_TRUE(Alignment(1, 0).IsAlignedAt(1));
+  EXPECT_FALSE(Alignment(1, 0).IsAlignedAt(2));
+
+  EXPECT_TRUE(Alignment(2, 0).IsAlignedAt(1));
+  EXPECT_TRUE(Alignment(2, 1).IsAlignedAt(1));
+  EXPECT_TRUE(Alignment(2, 0).IsAlignedAt(2));
+  EXPECT_FALSE(Alignment(2, 1).IsAlignedAt(2));
+  EXPECT_FALSE(Alignment(2, 0).IsAlignedAt(4));
+  EXPECT_FALSE(Alignment(2, 1).IsAlignedAt(4));
+
+  EXPECT_TRUE(Alignment(4, 0).IsAlignedAt(1));
+  EXPECT_TRUE(Alignment(4, 2).IsAlignedAt(1));
+  EXPECT_TRUE(Alignment(4, 0).IsAlignedAt(2));
+  EXPECT_TRUE(Alignment(4, 2).IsAlignedAt(2));
+  EXPECT_TRUE(Alignment(4, 0).IsAlignedAt(4));
+  EXPECT_FALSE(Alignment(4, 2).IsAlignedAt(4));
+  EXPECT_FALSE(Alignment(4, 0).IsAlignedAt(8));
+  EXPECT_FALSE(Alignment(4, 2).IsAlignedAt(8));
+
+  EXPECT_TRUE(Alignment(16, 0).IsAlignedAt(1));
+  EXPECT_TRUE(Alignment(16, 0).IsAlignedAt(2));
+  EXPECT_TRUE(Alignment(16, 0).IsAlignedAt(4));
+  EXPECT_TRUE(Alignment(16, 8).IsAlignedAt(8));
+  EXPECT_TRUE(Alignment(16, 0).IsAlignedAt(16));
+  EXPECT_FALSE(Alignment(16, 1).IsAlignedAt(16));
+  EXPECT_FALSE(Alignment(16, 7).IsAlignedAt(16));
+  EXPECT_FALSE(Alignment(16, 0).IsAlignedAt(32));
+}
+
+TEST(NodesVector, AlignmentEQ) {
+  EXPECT_TRUE(Alignment(2, 0) == Alignment(2, 0));
+  EXPECT_TRUE(Alignment(2, 1) == Alignment(2, 1));
+  EXPECT_TRUE(Alignment(4, 0) == Alignment(4, 0));
+  EXPECT_TRUE(Alignment(4, 2) == Alignment(4, 2));
+
+  EXPECT_FALSE(Alignment(4, 0) == Alignment(2, 0));
+  EXPECT_FALSE(Alignment(4, 0) == Alignment(4, 1));
+  EXPECT_FALSE(Alignment(4, 0) == Alignment(8, 0));
+}
+
+TEST(NodesVector, AlignmentString) {
+  EXPECT_STREQ("ALIGN(1,0)", Alignment(1, 0).ToString().c_str());
+
+  EXPECT_STREQ("ALIGN(2,0)", Alignment(2, 0).ToString().c_str());
+  EXPECT_STREQ("ALIGN(2,1)", Alignment(2, 1).ToString().c_str());
+
+  EXPECT_STREQ("ALIGN(16,0)", Alignment(16, 0).ToString().c_str());
+  EXPECT_STREQ("ALIGN(16,1)", Alignment(16, 1).ToString().c_str());
+  EXPECT_STREQ("ALIGN(16,8)", Alignment(16, 8).ToString().c_str());
+  EXPECT_STREQ("ALIGN(16,9)", Alignment(16, 9).ToString().c_str());
+}
+
+TEST_F(NodesVectorTest, VectorOperationProperties) {
+  HVecOperation* v0 = new (&allocator_)
+      HVecReplicateScalar(&allocator_, parameter_, Primitive::kPrimInt, 4);
+  HVecOperation* v1 = new (&allocator_)
+      HVecReplicateScalar(&allocator_, parameter_, Primitive::kPrimInt, 4);
+  HVecOperation* v2 = new (&allocator_)
+      HVecReplicateScalar(&allocator_, parameter_, Primitive::kPrimInt, 2);
+  HVecOperation* v3 = new (&allocator_)
+      HVecReplicateScalar(&allocator_, parameter_, Primitive::kPrimShort, 4);
+  HVecOperation* v4 = new (&allocator_)
+      HVecStore(&allocator_, parameter_, parameter_, v0, Primitive::kPrimInt, 4);
+
+  EXPECT_TRUE(v0->Equals(v0));
+  EXPECT_TRUE(v1->Equals(v1));
+  EXPECT_TRUE(v2->Equals(v2));
+  EXPECT_TRUE(v3->Equals(v3));
+  EXPECT_TRUE(v4->Equals(v4));
+
+  EXPECT_TRUE(v0->Equals(v1));
+  EXPECT_FALSE(v0->Equals(v2));  // different vector lengths
+  EXPECT_FALSE(v0->Equals(v3));  // different packed types
+  EXPECT_FALSE(v0->Equals(v4));  // different kinds
+
+  EXPECT_TRUE(v1->Equals(v0));  // switch operands
+  EXPECT_FALSE(v4->Equals(v0));
+
+  EXPECT_EQ(4u, v0->GetVectorLength());
+  EXPECT_EQ(4u, v1->GetVectorLength());
+  EXPECT_EQ(2u, v2->GetVectorLength());
+  EXPECT_EQ(4u, v3->GetVectorLength());
+  EXPECT_EQ(4u, v4->GetVectorLength());
+
+  EXPECT_EQ(Primitive::kPrimDouble, v0->GetType());
+  EXPECT_EQ(Primitive::kPrimDouble, v1->GetType());
+  EXPECT_EQ(Primitive::kPrimDouble, v2->GetType());
+  EXPECT_EQ(Primitive::kPrimDouble, v3->GetType());
+  EXPECT_EQ(Primitive::kPrimDouble, v4->GetType());
+
+  EXPECT_EQ(Primitive::kPrimInt, v0->GetPackedType());
+  EXPECT_EQ(Primitive::kPrimInt, v1->GetPackedType());
+  EXPECT_EQ(Primitive::kPrimInt, v2->GetPackedType());
+  EXPECT_EQ(Primitive::kPrimShort, v3->GetPackedType());
+  EXPECT_EQ(Primitive::kPrimInt, v4->GetPackedType());
+
+  EXPECT_EQ(16u, v0->GetVectorNumberOfBytes());
+  EXPECT_EQ(16u, v1->GetVectorNumberOfBytes());
+  EXPECT_EQ(8u, v2->GetVectorNumberOfBytes());
+  EXPECT_EQ(8u, v3->GetVectorNumberOfBytes());
+  EXPECT_EQ(16u, v4->GetVectorNumberOfBytes());
+
+  EXPECT_TRUE(v0->CanBeMoved());
+  EXPECT_TRUE(v1->CanBeMoved());
+  EXPECT_TRUE(v2->CanBeMoved());
+  EXPECT_TRUE(v3->CanBeMoved());
+  EXPECT_FALSE(v4->CanBeMoved());
+}
+
+TEST_F(NodesVectorTest, VectorAlignmentAndStringCharAtMatterOnLoad) {
+  HVecLoad* v0 = new (&allocator_)
+      HVecLoad(&allocator_, parameter_, parameter_, Primitive::kPrimInt, 4, /*is_string_char_at*/ false);
+  HVecLoad* v1 = new (&allocator_)
+      HVecLoad(&allocator_, parameter_, parameter_, Primitive::kPrimInt, 4, /*is_string_char_at*/ false);
+  HVecLoad* v2 = new (&allocator_)
+      HVecLoad(&allocator_, parameter_, parameter_, Primitive::kPrimInt, 4, /*is_string_char_at*/ true);
+
+  EXPECT_FALSE(v0->IsStringCharAt());
+  EXPECT_FALSE(v1->IsStringCharAt());
+  EXPECT_TRUE(v2->IsStringCharAt());
+
+  EXPECT_TRUE(v0->Equals(v0));
+  EXPECT_TRUE(v1->Equals(v1));
+  EXPECT_TRUE(v2->Equals(v2));
+
+  EXPECT_TRUE(v0->Equals(v1));
+  EXPECT_FALSE(v0->Equals(v2));
+
+  EXPECT_TRUE(v0->GetAlignment() == Alignment(4, 0));
+  EXPECT_TRUE(v1->GetAlignment() == Alignment(4, 0));
+  EXPECT_TRUE(v2->GetAlignment() == Alignment(4, 0));
+
+  v1->SetAlignment(Alignment(8, 0));
+
+  EXPECT_TRUE(v1->GetAlignment() == Alignment(8, 0));
+
+  EXPECT_FALSE(v0->Equals(v1));  // no longer equal
+}
+
+TEST_F(NodesVectorTest, VectorSignMattersOnMin) {
+  HVecOperation* v0 = new (&allocator_)
+      HVecReplicateScalar(&allocator_, parameter_, Primitive::kPrimInt, 4);
+
+  HVecMin* v1 = new (&allocator_)
+      HVecMin(&allocator_, v0, v0, Primitive::kPrimInt, 4, /*is_unsigned*/ true);
+  HVecMin* v2 = new (&allocator_)
+      HVecMin(&allocator_, v0, v0, Primitive::kPrimInt, 4, /*is_unsigned*/ false);
+  HVecMin* v3 = new (&allocator_)
+      HVecMin(&allocator_, v0, v0, Primitive::kPrimInt, 2, /*is_unsigned*/ true);
+
+  EXPECT_TRUE(v1->IsUnsigned());
+  EXPECT_FALSE(v2->IsUnsigned());
+  EXPECT_TRUE(v3->IsUnsigned());
+
+  EXPECT_TRUE(v1->Equals(v1));
+  EXPECT_TRUE(v2->Equals(v2));
+  EXPECT_TRUE(v3->Equals(v3));
+
+  EXPECT_FALSE(v1->Equals(v2));  // different signs
+  EXPECT_FALSE(v1->Equals(v3));  // different vector lengths
+}
+
+TEST_F(NodesVectorTest, VectorSignMattersOnMax) {
+  HVecOperation* v0 = new (&allocator_)
+      HVecReplicateScalar(&allocator_, parameter_, Primitive::kPrimInt, 4);
+
+  HVecMax* v1 = new (&allocator_)
+      HVecMax(&allocator_, v0, v0, Primitive::kPrimInt, 4, /*is_unsigned*/ true);
+  HVecMax* v2 = new (&allocator_)
+      HVecMax(&allocator_, v0, v0, Primitive::kPrimInt, 4, /*is_unsigned*/ false);
+  HVecMax* v3 = new (&allocator_)
+      HVecMax(&allocator_, v0, v0, Primitive::kPrimInt, 2, /*is_unsigned*/ true);
+
+  EXPECT_TRUE(v1->IsUnsigned());
+  EXPECT_FALSE(v2->IsUnsigned());
+  EXPECT_TRUE(v3->IsUnsigned());
+
+  EXPECT_TRUE(v1->Equals(v1));
+  EXPECT_TRUE(v2->Equals(v2));
+  EXPECT_TRUE(v3->Equals(v3));
+
+  EXPECT_FALSE(v1->Equals(v2));  // different signs
+  EXPECT_FALSE(v1->Equals(v3));  // different vector lengths
+}
+
+TEST_F(NodesVectorTest, VectorAttributesMatterOnHalvingAdd) {
+  HVecOperation* v0 = new (&allocator_)
+      HVecReplicateScalar(&allocator_, parameter_, Primitive::kPrimInt, 4);
+
+  HVecHalvingAdd* v1 = new (&allocator_) HVecHalvingAdd(
+      &allocator_, v0, v0, Primitive::kPrimInt, 4, /*is_unsigned*/ true, /*is_rounded*/ true);
+  HVecHalvingAdd* v2 = new (&allocator_) HVecHalvingAdd(
+      &allocator_, v0, v0, Primitive::kPrimInt, 4, /*is_unsigned*/ true, /*is_rounded*/ false);
+  HVecHalvingAdd* v3 = new (&allocator_) HVecHalvingAdd(
+      &allocator_, v0, v0, Primitive::kPrimInt, 4, /*is_unsigned*/ false, /*is_rounded*/ true);
+  HVecHalvingAdd* v4 = new (&allocator_) HVecHalvingAdd(
+      &allocator_, v0, v0, Primitive::kPrimInt, 4, /*is_unsigned*/ false, /*is_rounded*/ false);
+  HVecHalvingAdd* v5 = new (&allocator_) HVecHalvingAdd(
+      &allocator_, v0, v0, Primitive::kPrimInt, 2, /*is_unsigned*/ true, /*is_rounded*/ true);
+
+  EXPECT_TRUE(v1->Equals(v1));
+  EXPECT_TRUE(v2->Equals(v2));
+  EXPECT_TRUE(v3->Equals(v3));
+  EXPECT_TRUE(v4->Equals(v4));
+  EXPECT_TRUE(v5->Equals(v5));
+
+  EXPECT_TRUE(v1->IsUnsigned() && v1->IsRounded());
+  EXPECT_TRUE(v2->IsUnsigned() && !v2->IsRounded());
+  EXPECT_TRUE(!v3->IsUnsigned() && v3->IsRounded());
+  EXPECT_TRUE(!v4->IsUnsigned() && !v4->IsRounded());
+  EXPECT_TRUE(v5->IsUnsigned() && v5->IsRounded());
+
+  EXPECT_FALSE(v1->Equals(v2));  // different attributes
+  EXPECT_FALSE(v1->Equals(v3));  // different attributes
+  EXPECT_FALSE(v1->Equals(v4));  // different attributes
+  EXPECT_FALSE(v1->Equals(v5));  // different vector lengths
+}
+
+TEST_F(NodesVectorTest, VectorOperationMattersOnMultiplyAccumulate) {
+  HVecOperation* v0 = new (&allocator_)
+      HVecReplicateScalar(&allocator_, parameter_, Primitive::kPrimInt, 4);
+
+  HVecMultiplyAccumulate* v1 = new (&allocator_)
+      HVecMultiplyAccumulate(&allocator_, HInstruction::kAdd, v0, v0, v0, Primitive::kPrimInt, 4);
+  HVecMultiplyAccumulate* v2 = new (&allocator_)
+      HVecMultiplyAccumulate(&allocator_, HInstruction::kSub, v0, v0, v0, Primitive::kPrimInt, 4);
+  HVecMultiplyAccumulate* v3 = new (&allocator_)
+      HVecMultiplyAccumulate(&allocator_, HInstruction::kAdd, v0, v0, v0, Primitive::kPrimInt, 2);
+
+  EXPECT_EQ(HInstruction::kAdd, v1->GetOpKind());
+  EXPECT_EQ(HInstruction::kSub, v2->GetOpKind());
+  EXPECT_EQ(HInstruction::kAdd, v3->GetOpKind());
+
+  EXPECT_TRUE(v1->Equals(v1));
+  EXPECT_TRUE(v2->Equals(v2));
+  EXPECT_TRUE(v3->Equals(v3));
+
+  EXPECT_FALSE(v1->Equals(v2));  // different operators
+  EXPECT_FALSE(v1->Equals(v3));  // different vector lengths
+}
+
+}  // namespace art
diff --git a/runtime/class_linker_test.cc b/runtime/class_linker_test.cc
index a156229..03cc6c5 100644
--- a/runtime/class_linker_test.cc
+++ b/runtime/class_linker_test.cc
@@ -1603,7 +1603,7 @@
   //    ClassLoaderC (PathClassLoader, defines: C, AC, BC, CD)
   //       ^
   //       |
-  //    ClassLoaderD (DelegateLastClassLoader, defines: D, AD, BD, CD, Ljava/lang/String;)
+  //    ClassLoaderD (DelegateLastClassLoader, defines: D, AD, BD, CD)
 
   jobject class_loader_a = LoadDexInPathClassLoader("ForClassLoaderA", nullptr);
   jobject class_loader_b = LoadDexInDelegateLastClassLoader("ForClassLoaderB", class_loader_a);
@@ -1635,11 +1635,6 @@
   // in the top parent.
   VerifyClassResolution("LDefinedInAC;", class_loader_d, class_loader_a);
 
-  // Boot classes should be found in the boot class loader even if they are redefined locally.
-  VerifyClassResolution("Ljava/lang/String;", class_loader_d, nullptr);
-  // Sanity check that what seems like a boot class is actually loaded from D.
-  VerifyClassResolution("Ljava/lang/JavaLangFromD;", class_loader_d, class_loader_d);
-
   // Sanity check that we don't find an undefined class.
   VerifyClassResolution("LNotDefined;", class_loader_d, nullptr, /*should_find*/ false);
 }
diff --git a/test/ForClassLoaderD/java/lang/JavaLangFromD.java b/test/ForClassLoaderD/java/lang/JavaLangFromD.java
deleted file mode 100644
index 9abae70..0000000
--- a/test/ForClassLoaderD/java/lang/JavaLangFromD.java
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package java.lang;
-
-public class JavaLangFromD {
-
-}
diff --git a/test/ForClassLoaderD/java/lang/String.java b/test/ForClassLoaderD/java/lang/String.java
deleted file mode 100644
index 11afb3d..0000000
--- a/test/ForClassLoaderD/java/lang/String.java
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-public final class String {
-
-}