llvm-project/clang/test/PCH/cxx2a-compare.cpp

42 lines
723 B
C++

// RUN: %clang_cc1 -pedantic-errors -std=c++2a -emit-pch %s -o %t
// RUN: %clang_cc1 -pedantic-errors -std=c++2a -include-pch %t -verify %s
// RUN: %clang_cc1 -pedantic-errors -std=c++2a -include-pch %t -emit-llvm %s -o -
#ifndef HEADER
#define HEADER
#include "Inputs/std-compare.h"
constexpr auto foo() {
return (42 <=> 101);
}
inline auto bar(int x) {
return (1 <=> x);
}
struct X {
int a;
friend constexpr std::strong_ordering operator<=>(const X &x, const X &y) {
return x.a <=> y.a;
}
};
constexpr auto baz(int x) {
return X{3} < X{x};
}
#else
// expected-no-diagnostics
static_assert(foo() < 0);
auto bar2(int x) {
return bar(x);
}
static_assert(!baz(3));
static_assert(baz(4));
#endif