Classes: Add basic support for properties

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 08dd2314494dbc40dfd3f68ac0481040172411ea..be1c01bed50adf192abca3c616e7ad362ea9073b 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -245,6 +245,7 @@ action("js2c_experimental") {
     "src/harmony-array.js",
     "src/harmony-typedarray.js",
     "src/harmony-classes.js",
+    "src/harmony-tostring.js"
   ]
 
   outputs = [
@@ -433,6 +434,8 @@ source_set("v8_base") {
     "src/assembler.h",
     "src/assert-scope.h",
     "src/assert-scope.cc",
+    "src/ast-numbering.cc",
+    "src/ast-numbering.h",
     "src/ast-value-factory.cc",
     "src/ast-value-factory.h",
     "src/ast.cc",
@@ -471,6 +474,8 @@ source_set("v8_base") {
     "src/codegen.h",
     "src/compilation-cache.cc",
     "src/compilation-cache.h",
+    "src/compilation-statistics.cc",
+    "src/compilation-statistics.h",
     "src/compiler/access-builder.cc",
     "src/compiler/access-builder.h",
     "src/compiler/ast-graph-builder.cc",
@@ -524,6 +529,8 @@ source_set("v8_base") {
     "src/compiler/js-graph.h",
     "src/compiler/js-inlining.cc",
     "src/compiler/js-inlining.h",
+    "src/compiler/js-intrinsic-builder.cc",
+    "src/compiler/js-intrinsic-builder.h",
     "src/compiler/js-operator.cc",
     "src/compiler/js-operator.h",
     "src/compiler/js-typed-lowering.cc",
@@ -555,6 +562,8 @@ source_set("v8_base") {
     "src/compiler/phi-reducer.h",
     "src/compiler/pipeline.cc",
     "src/compiler/pipeline.h",
+    "src/compiler/pipeline-statistics.cc",
+    "src/compiler/pipeline-statistics.h",
     "src/compiler/raw-machine-assembler.cc",
     "src/compiler/raw-machine-assembler.h",
     "src/compiler/register-allocator.cc",
@@ -578,6 +587,8 @@ source_set("v8_base") {
     "src/compiler/value-numbering-reducer.h",
     "src/compiler/verifier.cc",
     "src/compiler/verifier.h",
+    "src/compiler/zone-pool.cc",
+    "src/compiler/zone-pool.h",
     "src/compiler.cc",
     "src/compiler.h",
     "src/contexts.cc",
@@ -1316,8 +1327,6 @@ source_set("v8_libbase") {
     sources += [
       "src/base/platform/platform-win32.cc",
       "src/base/win32-headers.h",
-      "src/base/win32-math.cc",
-      "src/base/win32-math.h",
     ]
 
     defines += [ "_CRT_RAND_S" ]  # for rand_s()