SKIP: FAILED #version 310 es precision mediump float; #ifndef WGSL_SPEC_CONSTANT_1234 #error spec constant required for constant id 1234 #endif const bool o = WGSL_SPEC_CONSTANT_1234; layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; void tint_symbol() { return; } void main() { tint_symbol(); } Error parsing GLSL shader: ERROR: 0:5: '#error' : spec constant required for constant id 1234 ERROR: 0:6: '' : missing #endif ERROR: 2 compilation errors. No code generated.