Quuxplusone added inline comments.
================
Comment at: clang/test/Sema/reserved-identifier.cpp:77
+
+long double operator"" _BarbeBleue(long double) // no-warning
+{
----------------
This should get a warning, since it's using an identifier "reserved for any
use."
https://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier
http://eel.is/c++draft/lex.name#3.1
If the implementation predefines `#define _BarbeBleue 42` (which the
implementation is permitted to do), then this code won't compile.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D93095/new/
https://reviews.llvm.org/D93095
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