Andrew Kelley • 1/18/2017

Troubleshooting a Zig Regression with apitrace

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The article describes a technical debugging session where the author, after a significant rewrite of the Zig compiler's internals, uses apitrace to compare OpenGL calls. A Tetris game revealed a visual regression, and the investigation traced the issue to how compile-time constant 2D arrays are laid out in memory, leading to a fix in the compiler's code generation.

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#debugging #compiler #Zig
Troubleshooting a Zig Regression with apitrace

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