glValidateProgram causing GL_OUT_OF_MEMORY error?

std::string compute_source = R"(
        #version 430 core


        layout(local_size_x = 64, local_size_y = 64) in;


        struct TerrainPatch {
            vec2 pos;
            vec2 dim;
        };


        layout (std430, binding = 0) buffer InputBuffer {
            TerrainPatch patches[];
        };


        struct TerrainVertex {
            vec4 pos;
            vec4 nor;
        };


        layout (std430, binding = 1) buffer OutputBuffer {
            TerrainVertex vertexes[];
        };


        void main() {
            vertexes[0].pos = vec4(patches[0].pos, 0.0f, 0.0f);
        }
    )";


    const char* compute_source_chars = compute_source.c_str();


    GLuint shader = glCreateShader(GL_COMPUTE_SHADER);
    glShaderSource(shader, 1, &compute_source_chars, NULL);
    glCompileShader(shader);


    GLint shader_status = GL_FALSE;
    glGetShaderiv(shader, GL_COMPILE_STATUS, &shader_status);
    assert(shader_status != GL_FALSE);


    GLuint program = glCreateProgram();
    glAttachShader(program, shader);
    glLinkProgram(program);


    GLint link_status = GL_FALSE;
    glGetProgramiv(program, GL_LINK_STATUS, &link_status);
    assert(link_status != GL_FALSE);


    {
        GLenum error = GL_NO_ERROR;
        while ((error = glGetError()) != GL_NO_ERROR) { // <-- this doesn't have an error
            printf("OpenGL ERROR: %s\n", gluErrorString(error));
            assert(false);
        }
    }


    glValidateProgram(program);


    {
        GLenum error = GL_NO_ERROR;
        while ((error = glGetError()) != GL_NO_ERROR) { // <-- this is giving error 1285
            printf("OpenGL ERROR: %s\n", gluErrorString(error));
            assert(false);
        }
    }

Am I missing something obvious?