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40 lines
1.8 KiB
D
40 lines
1.8 KiB
D
/*
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FIXME: DMD host compilers < 2.073 with faulty optimization
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lead to unfortunate test failures, see
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https://github.com/dlang/dmd/pull/6831#issuecomment-304495842.
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DISABLED: win32 win64 linux osx freebsd openbsd
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*/
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/*
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TEST_OUTPUT:
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---
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fail_compilation/impconv.d(30): Error: function `impconv.foo_float(float)` is not callable using argument types `(int)`
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fail_compilation/impconv.d(30): cannot pass argument `-2147483647` of type `int` to parameter `float`
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fail_compilation/impconv.d(31): Error: function `impconv.foo_float(float)` is not callable using argument types `(uint)`
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fail_compilation/impconv.d(31): cannot pass argument `4294967295u` of type `uint` to parameter `float`
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fail_compilation/impconv.d(34): Error: function `impconv.foo_double(double)` is not callable using argument types `(long)`
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fail_compilation/impconv.d(34): cannot pass argument `-9223372036854775807L` of type `long` to parameter `double`
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fail_compilation/impconv.d(35): Error: function `impconv.foo_double(double)` is not callable using argument types `(ulong)`
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fail_compilation/impconv.d(35): cannot pass argument `18446744073709551615LU` of type `ulong` to parameter `double`
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---
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*/
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void foo_float(float);
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void foo_double(double);
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void foo_real(real);
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void main()
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{
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foo_float(1); // implicitly convertible to float
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foo_float(-int.max); // -(2^31 - 1)
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foo_float(uint.max); // 2^32 - 1
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foo_double(int.max); // implicitly convertible to double
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foo_double(-long.max); // -(2^63 - 1)
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foo_double(ulong.max); // 2^64 - 1
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foo_real(0xffff_ffff_ffffL); // 2^48 - 1, implicitly convertible to real
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static assert(__traits(compiles, foo_real(-long.max)) == (real.mant_dig >= 63));
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static assert(__traits(compiles, foo_real(ulong.max)) == (real.mant_dig >= 64));
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}
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