[Mesa-dev] [Bug 105755] Mesa freezes when the GLSL shader contains a `for` loop with an uninitialized `i` index/counter variable

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105755

--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
The shader compiler provides warnings:

$ bin/glslparsertest foo.frag pass 1.30
Successfully compiled fragment shader foo.frag: 0:54(14): warning: `i' used
uninitialized
0:58(39): warning: `i' used uninitialized
0:59(53): warning: `i' used uninitialized
0:61(30): warning: `i' used uninitialized
0:62(33): warning: `i' used uninitialized
0:54(30): warning: `i' used uninitialized

PIGLIT: {"result": "pass" }

These warnings would be available to you programmatically using the KHR_debug
callback, I believe. Or printed to stderr with a debug mesa build.

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