test/tint/expressions/type_conv/mat4x2/literal/f32-f16.wgsl

// flags:  --hlsl_shader_model 62
enable f16;
var<private> u : mat4x2<f16> = mat4x2<f16>(mat4x2<f32>(1.0f, 2.0f,
                                                       3.0f, 4.0f,
                                                       5.0f, 6.0f,
                                                       7.0f, 8.0f));