[PATCH] D59307: Patch llvm bug 41033 concerning atomicity of statement expressions
Erich Keane via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Mar 13 11:32:59 PDT 2019
erichkeane added a comment.
This is my concern here:
The patch will change template instantiation.
GCC doesn't seem to allow using _Atomic in C++ mode, which is perhaps a necessary part of this solution? I see we already consider overload sets with int and _Atomic(int) to be ambiguous (in addition to not considering conversion operators of _Atomic(int) at all??), so it is limited to type deduction. I could see this causing problems, since specializations of templates are allowed on int and _Atomic(int) despite not being used in overload sets; https://godbolt.org/z/oMAvpz
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