13     float4 vec4, vec4_2, *vec4p;  in test()  local
19     vec4.xyzw; // expected-warning {{expression result unused}}  in test()
20     vec4.xyzc; // expected-error {{illegal vector component name 'c'}}  in test()
21     vec4.s01z; // expected-error {{illegal vector component name 'z'}}  in test()
22     vec2 = vec4.s01; // legal, shorten  in test()
23     vec2 = vec4.S01; // legal, shorten  in test()
25     vec3 = vec4.xyz; // legal, shorten  in test()
27     f = vec4.xy.x; // legal, shorten  in test()
29 …vec4_2.xyzx = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate componen…  in test()
30 …vec4_2.xyzz = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate componen…  in test()
31 …vec4_2.xyyw = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate componen…  in test()
35     vec4 = (float4){ 1,2,3,4 };  in test()
36     vec4.xy.w; // expected-error {{vector component access exceeds type 'float2'}}  in test()
37     vec4.s06; // expected-error {{vector component access exceeds type 'float4'}}  in test()
38     vec4.x = vec16.sf;  in test()
39     vec4.x = vec16.sF;  in test()