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--- libmalloc/libmalloc-317.40.8/src/base.h
+++ libmalloc/libmalloc-374.120.1/src/base.h
@@ -71,7 +71,14 @@
# define MALLOC_CACHE_LINE 128
# define MALLOC_NANO_CACHE_LINE 64
#elif defined(__arm__) || defined(__arm64__)
-# define MALLOC_CACHE_LINE 64
+# if TARGET_OS_OSX || TARGET_OS_DRIVERKIT || TARGET_OS_SIMULATOR
+// To make zone structure layout match to support introspecting a Rosetta process
+// from a native process or vice versa on macOS. See comment in
+// quarantine_diagnose_fault_from_crash_reporter.
+# define MALLOC_CACHE_LINE 128
+# else
+# define MALLOC_CACHE_LINE 64
+# endif
# define MALLOC_NANO_CACHE_LINE 64
#else
# define MALLOC_CACHE_LINE 32