From 14ae461574b979d75e096bc7fdae28fbab80db57 Mon Sep 17 00:00:00 2001
From: Jarred Sumner <jarred@jarredsumner.com>
Date: Sun, 28 Jul 2024 08:44:48 -0700
Subject: [PATCH] Add MALLOC_HEAP_BREAKDOWN option

---
 Source/WTF/wtf/text/StringImpl.h  | 3 ++-
 Source/cmake/OptionsJSCOnly.cmake | 8 +++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Source/WTF/wtf/text/StringImpl.h b/Source/WTF/wtf/text/StringImpl.h
index b0553c6dda857..7b86caa467b85 100644
--- a/Source/WTF/wtf/text/StringImpl.h
+++ b/Source/WTF/wtf/text/StringImpl.h
@@ -175,9 +175,10 @@ class STRING_IMPL_ALIGNMENT StringImplShape {
 // Right now we use a mix of both, which makes code more confusing and has no benefit.
 
 DECLARE_COMPACT_ALLOCATOR_WITH_HEAP_IDENTIFIER(StringImpl);
+
 class StringImpl : private StringImplShape {
     WTF_MAKE_NONCOPYABLE(StringImpl);
-    WTF_MAKE_FAST_COMPACT_ALLOCATED_WITH_HEAP_IDENTIFIER(StringImpl);
+    WTF_MAKE_FAST_COMPACT_ALLOCATED_WITH_HEAP_IDENTIFIER(WTF::StringImpl);
 
     friend class AtomStringImpl;
     friend class JSC::LLInt::Data;
diff --git a/Source/cmake/OptionsJSCOnly.cmake b/Source/cmake/OptionsJSCOnly.cmake
index 9d30d2d00b790..9d0f6c811fc67 100644
--- a/Source/cmake/OptionsJSCOnly.cmake
+++ b/Source/cmake/OptionsJSCOnly.cmake
@@ -23,8 +23,14 @@ if (USE_BUN_JSC_ADDITIONS)
     if (WIN32)
         SET_AND_EXPOSE_TO_BUILD(JS_NO_EXPORT 1)
     endif()
+WEBKIT_OPTION_END()
+WEBKIT_OPTION_BEGIN()
+WEBKIT_OPTION_DEFINE(ENABLE_MALLOC_HEAP_BREAKDOWN "Whether to enable MALLOC_HEAP_BREAKDOWN" PUBLIC OFF)
+
+if(ENABLE_MALLOC_HEAP_BREAKDOWN)
+    SET_AND_EXPOSE_TO_BUILD(ENABLE_MALLOC_HEAP_BREAKDOWN 1)
+endif()
 
-endif ()
 WEBKIT_OPTION_END()
 
 WEBKIT_OPTION_BEGIN()