[Bug 72686] GLSL preprocessor does not eat comments correctly

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72686

--- Comment #4 from Petri Latvala <petri.latvala at intel.com> ---
commit 6005e9cb283214cd57038c7c5e7758ba72ec6ac2
Author: Carl Worth <cworth at cworth.org>
Date:   Thu Dec 19 16:06:31 2013 -0800

    glcpp: Replace multi-line comment with a space (even as part of macro
definition)


The above commit, which I believe is the fix you mentioned, causes this code to
produce a preprocessor error:

/*
*/  // a comment
void main()
{
  gl_FragColor=vec4(0.0);
}

0:2(60): preprocessor error: syntax error, unexpected $end

This happens only if the /* */ contains newlines, and only if a single-line
comment follows the multi-line comment. Two multi-line comments works fine.

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