Instance-type-related fixes and cleanup.

tools/v8heapconst.py

Index: tools/v8heapconst.py
diff --git a/tools/v8heapconst.py b/tools/v8heapconst.py
index 591bf99ca9b1e752afe95aca7c77b304d0dfb93a..57a1f595ace58347aad80fe3376215d3efcff94d 100644
--- a/tools/v8heapconst.py
+++ b/tools/v8heapconst.py
@@ -35,6 +35,7 @@ INSTANCE_TYPES = {
   65: "CONS_STRING_TYPE",
   69: "CONS_ASCII_STRING_TYPE",
   67: "SLICED_STRING_TYPE",
+  71: "SLICED_ASCII_STRING_TYPE",
   66: "EXTERNAL_STRING_TYPE",
   70: "EXTERNAL_ASCII_STRING_TYPE",
   74: "EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE",
@@ -108,6 +109,8 @@ INSTANCE_TYPES = {
   186: "JS_TYPED_ARRAY_TYPE",
   187: "JS_DATA_VIEW_TYPE",
   174: "JS_PROXY_TYPE",
+  188: "JS_SET_TYPE",
+  189: "JS_MAP_TYPE",
   190: "JS_WEAK_MAP_TYPE",
   191: "JS_WEAK_SET_TYPE",
   192: "JS_REGEXP_TYPE",
@@ -231,7 +234,7 @@ KNOWN_OBJECTS = {
   ("OLD_POINTER_SPACE", 0x0e0a1): "ElementsTransitionSymbol",
   ("OLD_POINTER_SPACE", 0x0e0ad): "EmptySlowElementDictionary",
   ("OLD_POINTER_SPACE", 0x0e249): "ObservedSymbol",
-  ("OLD_POINTER_SPACE", 0x27585): "StringTable",
+  ("OLD_POINTER_SPACE", 0x274e9): "StringTable",
   ("OLD_DATA_SPACE", 0x08099): "EmptyDescriptorArray",
   ("OLD_DATA_SPACE", 0x080a1): "EmptyFixedArray",
   ("OLD_DATA_SPACE", 0x080a9): "NanValue",
@@ -247,6 +250,6 @@ KNOWN_OBJECTS = {
   ("OLD_DATA_SPACE", 0x082c9): "EmptyExternalPixelArray",
   ("OLD_DATA_SPACE", 0x082d5): "InfinityValue",
   ("OLD_DATA_SPACE", 0x082e1): "MinusZeroValue",
-  ("CODE_SPACE", 0x0eb41): "JsConstructEntryCode",
-  ("CODE_SPACE", 0x177a1): "JsEntryCode",
+  ("CODE_SPACE", 0x10d01): "JsConstructEntryCode",
+  ("CODE_SPACE", 0x183c1): "JsEntryCode",
 }