remove SignatureInfo class

tools/v8heapconst.py

Index: tools/v8heapconst.py
diff --git a/tools/v8heapconst.py b/tools/v8heapconst.py
index 613039053139a28f8104eeb02394cf3b8e29462a..8ef0c1093893d2283a512d1c6ff0c0577baf84d4 100644
--- a/tools/v8heapconst.py
+++ b/tools/v8heapconst.py
@@ -216,8 +216,8 @@ KNOWN_MAPS = {
   0x08cd9: (187, "JSMessageObjectMap"),
   0x08d01: (136, "ForeignMap"),
   0x08d29: (189, "NeanderMap"),
-  0x08d51: (170, "AllocationSiteMap"),
-  0x08d79: (171, "AllocationMementoMap"),
+  0x08d51: (171, "AllocationMementoMap"),
+  0x08d79: (170, "AllocationSiteMap"),
   0x08da1: (174, "PolymorphicCodeCacheMap"),
   0x08dc9: (172, "ScriptMap"),
   0x08e19: (189, "ExternalMap"),
@@ -229,13 +229,12 @@ KNOWN_MAPS = {
   0x09021: (165, "CallHandlerInfoMap"),
   0x09049: (166, "FunctionTemplateInfoMap"),
   0x09071: (167, "ObjectTemplateInfoMap"),
-  0x09099: (168, "SignatureInfoMap"),
-  0x090c1: (169, "TypeSwitchInfoMap"),
-  0x090e9: (173, "CodeCacheMap"),
-  0x09111: (175, "TypeFeedbackInfoMap"),
-  0x09139: (176, "AliasedArgumentsEntryMap"),
-  0x09161: (178, "DebugInfoMap"),
-  0x09189: (179, "BreakPointInfoMap"),
+  0x09099: (169, "TypeSwitchInfoMap"),
+  0x090c1: (173, "CodeCacheMap"),
+  0x090e9: (175, "TypeFeedbackInfoMap"),
+  0x09111: (176, "AliasedArgumentsEntryMap"),
+  0x09139: (178, "DebugInfoMap"),
+  0x09161: (179, "BreakPointInfoMap"),
 }
 
 # List of known V8 objects.
@@ -265,7 +264,7 @@ KNOWN_OBJECTS = {
   ("OLD_POINTER_SPACE", 0x17685): "SymbolRegistry",
   ("OLD_POINTER_SPACE", 0x18041): "EmptySlowElementDictionary",
   ("OLD_POINTER_SPACE", 0x181dd): "AllocationSitesScratchpad",
-  ("OLD_POINTER_SPACE", 0x4559d): "StringTable",
+  ("OLD_POINTER_SPACE", 0x4560d): "StringTable",
   ("OLD_DATA_SPACE", 0x08081): "EmptyDescriptorArray",
   ("OLD_DATA_SPACE", 0x08089): "EmptyFixedArray",
   ("OLD_DATA_SPACE", 0x080a9): "NanValue",
@@ -291,6 +290,6 @@ KNOWN_OBJECTS = {
   ("OLD_DATA_SPACE", 0x082ed): "EmptyFixedUint8ClampedArray",
   ("OLD_DATA_SPACE", 0x082f5): "InfinityValue",
   ("OLD_DATA_SPACE", 0x08301): "MinusZeroValue",
-  ("CODE_SPACE", 0x136a1): "JsConstructEntryCode",
-  ("CODE_SPACE", 0x2c421): "JsEntryCode",
+  ("CODE_SPACE", 0x16881): "JsEntryCode",
+  ("CODE_SPACE", 0x2a8e1): "JsConstructEntryCode",
 }