Changeset 268241 in webkit for trunk/Source/JavaScriptCore/runtime/MachineContext.h

Timestamp:

Oct 8, 2020, 6:18:14 PM (5 years ago)

Author:

[email protected]

Message:

Unreviewed, reverting r268170 and r268190.
​https://bugs.webkit.org/show_bug.cgi?id=217502

Crash on ARM64E exclusively

Reverted changesets:

"[JSC] Restrict more ptr-tagging and avoid using
OperationPtrTag for JIT code"
​https://bugs.webkit.org/show_bug.cgi?id=217460
​https://trac.webkit.org/changeset/268170

"Unreviewed, build fix for ARM64E"
​https://bugs.webkit.org/show_bug.cgi?id=217460
​https://trac.webkit.org/changeset/268190

File:

• trunk/Source/JavaScriptCore/runtime/MachineContext.h (modified) (1 diff)

trunk/Source/JavaScriptCore/runtime/MachineContext.h

@@ -458 +458 @@
     if (!usesPointerTagging())
         return makeOptional(MacroAssemblerCodePtr<PlatformRegistersPCPtrTag>(value));
-    if (isTaggedWith<PlatformRegistersPCPtrTag>(value))
+    if (isTaggedWith(value, PlatformRegistersPCPtrTag))
         return makeOptional(MacroAssemblerCodePtr<PlatformRegistersPCPtrTag>(value));
     return WTF::nullopt;