Hi, a coworker asked me if clang documents how it handles right shifts of signed numbers today. As far as I can tell there's no documentation for this, but I found PR11272 about documenting implementation-defined behavior. The bug suggests just linking to gcc's documentation as a first step, which is what the attached patch does. This isn't quite correct (for example, clang supports UCNs without any flags), but is correct for most things. People can fill in more details over time.
Is this ok? Nico
clang-impldef.patch
Description: Binary data
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