SKIP: FAILED void ldexp_082c1f() { float16_t arg_0 = float16_t(1.0h); float16_t res = ldexp(arg_0, 1); } struct tint_symbol { float4 value : SV_Position; }; float4 vertex_main_inner() { ldexp_082c1f(); 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() { ldexp_082c1f(); return; } [numthreads(1, 1, 1)] void compute_main() { ldexp_082c1f(); return; } FXC validation failure: C:\src\dawn\test\tint\Shader@0x0000013446CBE820(2,3-11): error X3000: unrecognized identifier 'float16_t' C:\src\dawn\test\tint\Shader@0x0000013446CBE820(2,13-17): error X3000: unrecognized identifier 'arg_0'