SKIP: FAILED void distance_928fa0() { vector arg_0 = (float16_t(0.0h)).xxx; vector arg_1 = (float16_t(0.0h)).xxx; float16_t res = distance(arg_0, arg_1); } struct tint_symbol { float4 value : SV_Position; }; float4 vertex_main_inner() { distance_928fa0(); return (0.0f).xxxx; } tint_symbol vertex_main() { const float4 inner_result = vertex_main_inner(); tint_symbol wrapper_result = (tint_symbol)0; wrapper_result.value = inner_result; return wrapper_result; } void fragment_main() { distance_928fa0(); return; } [numthreads(1, 1, 1)] void compute_main() { distance_928fa0(); return; } FXC validation failure: D:\Projects\RampUp\dawn\test\tint\builtins\Shader@0x00000277E5AD2CF0(2,10-18): error X3000: syntax error: unexpected token 'float16_t' D:\Projects\RampUp\dawn\test\tint\builtins\Shader@0x00000277E5AD2CF0(3,10-18): error X3000: syntax error: unexpected token 'float16_t' D:\Projects\RampUp\dawn\test\tint\builtins\Shader@0x00000277E5AD2CF0(4,3-11): error X3000: unrecognized identifier 'float16_t' D:\Projects\RampUp\dawn\test\tint\builtins\Shader@0x00000277E5AD2CF0(4,13-15): error X3000: unrecognized identifier 'res'