#version 450
struct T1
{
    vec3 a;
    float b;
};

layout(std430, binding = 1) buffer Buffer0 { T1 buf0[]; };
layout(std430, binding = 2) buffer Buffer1 { float buf1[]; };

layout(local_size_x = 32, local_size_y = 1, local_size_z = 1) in;
void main()
{
    float x = buf0[0].b;
    buf1[gl_GlobalInvocationID.x] = x;
}