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++ // Copyright (C) 2026 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ // This header is already what the test is about: it is preamble code, and a
++ // preamble spanning several lines is what used to break the generated shader.
++
++ void MAIN_FRAGMENT_AUGMENT()
++ {
++ // Several lines in the body as well, for the same reason.
++ vec3 colour = vec3(0.0, 1.0, 0.0);
++ fragOutput = vec4(colour, 1.0);
++ }