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      1 #version 130
      2 
      3 float gu[];
      4 float g4[4];
      5 float g5[5];
      6 
      7 uniform int a;
      8 
      9 float[4] foo(float a[5])
     10 {
     11     return float[](a[0], a[1], a[2], a[3]);
     12 }
     13 
     14 void bar(float[5]) {}
     15 
     16 void main()
     17 {
     18     {
     19         float gu[2];  // okay, new scope
     20 
     21         gu[2] = 4.0;  // ERROR, overflow
     22     }
     23 
     24     gu[2] = 4.0; // okay
     25 
     26     gu[3] = 3.0;
     27     gu[a] = 5.0; // ERROR
     28 
     29     g4 = foo(g5);
     30     g5 = g4;  // ERROR
     31     gu = g4;  // ERROR
     32 
     33     foo(gu);  // ERROR
     34     bar(g5);
     35 
     36     if (float[4](1.0, 2.0, 3.0, 4.0) == g4)
     37         gu[0] = 2.0;
     38 
     39     float u[];
     40     u[2] = 3.0; // okay
     41     float u[5];
     42     u[5] = 5.0; // ERROR
     43     foo(u);     // okay
     44 
     45     gl_FragData[1000] = vec4(1.0); // ERROR
     46     gl_FragData[-1] = vec4(1.0);   // ERROR
     47     gl_FragData[3] = vec4(1.0);
     48 
     49     const int ca[] = int[](3, 2);
     50     int sum = ca[0];
     51     sum += ca[1];
     52     sum += ca[2];  // ERROR
     53 
     54     const int ca3[3] = int[](3, 2);  // ERROR
     55     int ica[] = int[](3, 2);
     56     int ica3[3] = int[](3, 2);       // ERROR
     57     ica[3.1] = 3;                    // ERROR
     58     ica[u[1]] = 4;                   // ERROR
     59 }
     60 
     61 int[] foo213234();        // ERROR
     62 int foo234234(float[]);   // ERROR
     63 int foo234235(vec2[] v);  // ERROR
     64 
     65 vec3 guns[];
     66 float f = guns[7];
     67 
     68 void foo()
     69 {
     70     int uns[];
     71     uns[3] = 40;
     72     uns[1] = 30;
     73     guns[2] = vec3(2.4);
     74 
     75     float unsf[];
     76     bar(unsf);          // ERROR
     77 }
     78 
     79 float[] foo2()          // ERROR
     80 {
     81     float f[];
     82     return f;
     83     float g[9];
     84     return g;           // ERROR
     85 }
     86 
     87 float gUnusedUnsized[];
     88 
     89 void foo3()
     90 {
     91     float resize1[];
     92     resize1[2] = 4.0;
     93     resize1.length();  // ERROR
     94     float resize1[3];
     95     resize1.length();
     96 
     97     float resize2[];
     98     resize2[5] = 4.0;
     99     float resize2[5];  // should be ERROR, but is not
    100     resize2.length();
    101     resize2[5] = 4.0;  // ERROR
    102 }
    103 
    104 int[] i = int[]();    // ERROR, need constructor arguments
    105 float emptyA[];
    106 float b = vec4(emptyA);    // ERROR, array can't be a constructor argument
    107 uniform sampler2D s2d[];
    108 
    109 void foo4()
    110 {
    111     s2d[a];                         // ERROR, can't variably index unsized array
    112     float local[] = gUnusedUnsized; // ERROR, can initialize with runtime-sized array
    113 }
    114