IRGen: Sign the class stub initialization callback pointer on arm64e [5.3] #31493
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The Objective-C runtime expects a signed pointer here. The existing test would have caught this, except it was always disabled because the symbol name passed to the dlsym() check should not have had the leading '_'. Fixes <rdar://problem/57679510>.
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DougGregor
approved these changes
May 2, 2020
AnthonyLatsis
added
swift 5.3
🍒 release cherry pick
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The Objective-C runtime expects a signed pointer here. The existing test
would have caught this, except it was always disabled because the
symbol name passed to the dlsym() check should not have had the leading
'_'.
Fixes rdar://problem/57679510.