<dawn>/test/tint/diagnostic_filtering/for_loop_body_attribute.wgsl:8:9 warning: 'textureSample' must only be called from uniform control flow
    v = textureSample(t, s, vec2(0, 0));
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

<dawn>/test/tint/diagnostic_filtering/for_loop_body_attribute.wgsl:7:3 note: control flow depends on possibly non-uniform value
  for (; x > v.x; ) @diagnostic(warning, derivative_uniformity) {
  ^^^

<dawn>/test/tint/diagnostic_filtering/for_loop_body_attribute.wgsl:8:9 note: return value of 'textureSample' may be non-uniform
    v = textureSample(t, s, vec2(0, 0));
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

#version 310 es
precision highp float;
precision highp int;

layout(location = 0) in float x_1;
uniform highp sampler2D t_s;

void tint_symbol(float x) {
  vec4 v = vec4(0.0f);
  {
    for(; (x > v.x); ) {
      v = texture(t_s, vec2(0.0f));
    }
  }
}

void main() {
  tint_symbol(x_1);
  return;
}
