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Simplier repro case for #594

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This commit is contained in:
Christophe Riccio 2017-01-04 23:35:02 +01:00
parent 26a013a4f8
commit 90873e607d
1 changed files with 6 additions and 38 deletions
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44
test/bug/bug_ms_vec_static.cpp
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@ -1,57 +1,25 @@
template<typename T> struct vec2;
struct vec2;
struct _swizzle_base0
struct _swizzle
{
char _buffer[1];
};
template<int E0, int E1, int E2, int E3>
struct _swizzle_base1 : public _swizzle_base0
{
};
template<int E0, int E1>
struct _swizzle_base1<E0,E1,-1,-2> : public _swizzle_base0
{
};
template<int E0, int E1, int E2, int E3, int DUPLICATE_ELEMENTS>
struct _swizzle_base2 : public _swizzle_base1<E0,E1,E2,E3>
{
};
template<int E0, int E1, int E2, int E3>
struct _swizzle_base2<E0,E1,E2,E3, 1> : public _swizzle_base1<E0,E1,E2,E3>
{
};
template<int E0, int E1, int E2, int E3>
struct _swizzle : public _swizzle_base2<E0, E1, E2, E3, (E0 == E1 || E0 == E2 || E0 == E3 || E1 == E2 || E1 == E3 || E2 == E3)>
{
};
template<typename T>
struct vec2
{
constexpr vec2(T x, T y) :
constexpr vec2(float x, float y) :
x(x), y(y)
{}
union
{
struct { T x, y; };
struct { _swizzle<0,0,-1,-2> xx; };
struct { float x, y; };
struct { _swizzle xx; };
};
};
typedef vec2<float> float2;
// Visual C++ has a bug generating the error: fatal error C1001: An internal error has occurred in the compiler.
float2 const Bar(1.f, 1.f);
vec2 const Bar(1.f, 1.f);
int main()
{