Produces a (presumably) transparent image

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[Shaders, screenshots, error log, reproduction steps, etc.] [ZIP]

There are two dead-code injections, one with an unreachable return and a variable declaration (the type and value of the variable don't seem to matter) and one with a discard statement. AMD form report to follow.

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AMD Report Form ("n/a" means not filled):

Graphics Card Model: Radeon R9 Fury X

Graphics Card Part Number: n/a

AMD Radeon Software Driver Version: AMD Radeon Software Crimson Edition 16.9.2

Driver History: Do Not Know

Operating System: Windows 10 64-bit

Type of Issue: Other

Crossfire Configuration: No

Using Mantle: No

Other Games/Applications: OpenGL

Describe the Issue and Steps to replicate: We used a custom-written OpenGL launcher (pre-compiled binaries available for download at [1]). [2] contains a fragment shader which yields the expected image ("original.frag") and a fragment shader which produces the incorrect output ("variant.frag").

Command-line usage:
	./get_image variant.frag --persist
	
[1] https://github.com/paulthomson/get-image/releases/tag/v-feb357fccce0694585b02484defc825778733751
[2] https://github.com/mc-imperial/shader-compiler-bugs/issues/7

CPU Details: Intel(R) Xeon(R) CPU E5-1630 v3 @ 3.70GHz, 3701 Mhz, 4 Core(s), 8 Logical Processor(s)

Display Devices and Connections used: Dell S2009W on HDMI

Motherboard or System Make & Model: n/a

Motherboard BIOS version: n/a

System Memory Type & Amount: 32GB

Power Supply Wattage: n/a

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Issue persists with Radeon version 17.6.2.

[afd]

AMD reported by email that they were investigating the issue, and say that they have now found the issue and are looking at getting a fix out.