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Everywhere: Remove redundant inequality comparison operators

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C++20 can automatically synthesize `operator!=` from `operator==`, so
there is no point in writing such functions by hand if all they do is
call through to `operator==`.

This fixes a compile error with compilers that implement P2468 (Clang
16 currently). This paper restores the C++17 behavior that if both
`T::operator==(U)` and `T::operator!=(U)` exist, `U == T` won't be
rewritten in reverse to call `T::operator==(U)`. Removing `!=` operators
makes the rewriting possible again.
See https://reviews.llvm.org/D134529#3853062
This commit is contained in:
Daniel Bertalan 2022-10-21 15:53:20 +02:00 • committed by Andrew Kaster
parent 4e406b0730
commit 4296425bd8
40 changed files with 1 additions and 180 deletions
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Userland/Libraries/LibDebug/DebugInfo.h
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@ -50,7 +50,6 @@ public:
}
bool operator==(SourcePosition const& other) const { return file_path == other.file_path && line_number == other.line_number; }
bool operator!=(SourcePosition const& other) const { return !(*this == other); }
static SourcePosition from_line_info(Dwarf::LineProgram::LineInfo const&);
};