forked from OSchip/llvm-project
974c8b7e2f
This adds support for rewriting <, >, <=, and >= to a normal or reversed call to operator<=>, for rewriting != to a normal or reversed call to operator==, and for rewriting <=> and == to reversed forms of those same operators. Note that this is a breaking change for various C++17 code patterns, including some in use in LLVM. The most common patterns (where an operator== becomes ambiguous with a reversed form of itself) are still accepted under this patch, as an extension (with a warning). I'm hopeful that we can get the language rules fixed before C++20 ships, and the extension warning is aimed primarily at providing data to inform that decision. llvm-svn: 375306 |
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