efriedma added a comment.
If you don't want to spend too much time on C++, fine; could you add a short
Objective-C test instead to make sure the trivially-copyable checks are working?
What are the changes to Sema::RequireCompleteTypeImpl supposed to do?
================
Comment at: test/Sema/atomic-type.c:30
+ int i;
+ (void)__atomic_load(addr, &i, 5); // expected-error {{address argument to
atomic operation must be a pointer to a trivially-copyable type ('_Atomic(void)
*' invalid)}}
+ (void)__c11_atomic_load(addr, 5); // expected-error {{invalid use of
incomplete type 'void'}}
----------------
This error message is terrible; yes, technically 'void' isn't trivially
copyable, but that isn't really helpful.
https://reviews.llvm.org/D46112
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