Mark Lam

#### c994b90c1646dddbe56452a565aec7eb0e1038f2 Apply C++ type safety to Lookup.h's HashTableValue's ValueStorage union. https://bugs.webkit.org/show_bug.cgi?id=243680 <rdar://problem/98206776> Reviewed by Saam Barati. 1. Instead of always casting all the potential union field values to/from intptr_t...

JSC with Integrity checks enabled.

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#### 490c5eb28af71bad2382d0f45fd15721a83528ff JSC with Integrity checks enabled. https://bugs.webkit.org/show_bug.cgi?id=245477 Reviewed by NOBODY (OOPS!). This change should never be landed / merged into main. * Source/JavaScriptCore/tools/Integrity.h: https://github.com/WebKit/WebKit/commit/490c5eb28af71bad2382d0f45fd15721a83528ff | Misc | iOS, tvOS...

Make [JSManagedValue initWithValue:] more robust against clients using it from non-main threads.

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#### eeda9896e7d5dfb0a1da8ca8160f7496a006dc3c Make [JSManagedValue initWithValue:] more robust against clients using it from non-main threads. https://bugs.webkit.org/show_bug.cgi?id=281648 rdar://138037948 Reviewed by NOBODY (OOPS!). [JSManagedValue initWithValue:] does not currently acquire the JS API lock...