SKIP: FAILED [numthreads(1, 1, 1)] void unused_entry_point() { return; } void f() { vector v2 = (float16_t(1.0h)).xx; vector v3 = (float16_t(1.0h)).xxx; vector v4 = (float16_t(1.0h)).xxxx; } FXC validation failure: D:\Projects\RampUp\dawn\test\tint\expressions\Shader@0x0000023F6A192800(7,10-18): error X3000: syntax error: unexpected token 'float16_t' D:\Projects\RampUp\dawn\test\tint\expressions\Shader@0x0000023F6A192800(8,10-18): error X3000: syntax error: unexpected token 'float16_t' D:\Projects\RampUp\dawn\test\tint\expressions\Shader@0x0000023F6A192800(9,10-18): error X3000: syntax error: unexpected token 'float16_t'