54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
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// RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -std=c++23 -triple %itanium_abi_triple -main-file-name if.cpp %s
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// No crash for following example.
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// See https://github.com/llvm/llvm-project/issues/45481
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namespace std {
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class strong_ordering;
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// Mock how STD defined unspecified parameters for the operators below.
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struct _CmpUnspecifiedParam {
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consteval
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_CmpUnspecifiedParam(int _CmpUnspecifiedParam::*) noexcept {}
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};
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struct strong_ordering {
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signed char value;
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friend constexpr bool operator==(strong_ordering v,
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_CmpUnspecifiedParam) noexcept {
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return v.value == 0;
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}
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friend constexpr bool operator<(strong_ordering v,
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_CmpUnspecifiedParam) noexcept {
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return v.value < 0;
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}
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friend constexpr bool operator>(strong_ordering v,
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_CmpUnspecifiedParam) noexcept {
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return v.value > 0;
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}
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friend constexpr bool operator>=(strong_ordering v,
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_CmpUnspecifiedParam) noexcept {
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return v.value >= 0;
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}
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static const strong_ordering equal, greater, less;
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};
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constexpr strong_ordering strong_ordering::equal = {0};
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constexpr strong_ordering strong_ordering::greater = {1};
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constexpr strong_ordering strong_ordering::less = {-1};
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} // namespace std
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struct S {
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friend bool operator<(const S&, const S&);
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friend bool operator==(const S&, const S&);
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};
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struct MyStruct {
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friend bool operator==(MyStruct const& lhs, MyStruct const& rhs) = delete;
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friend std::strong_ordering operator<=>(MyStruct const& lhs, MyStruct const& rhs) = default;
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S value;
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};
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void foo(MyStruct bar){
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(void)(bar <=> bar);
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}
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