From 17a8c9c4bfd9042b92b1d07d638a3dc1157b11d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <Mic92@users.noreply.github.com>
Date: Fri, 30 Apr 2021 03:13:20 +0100
Subject: [PATCH] Deterministic stdenv (#120775)

Co-authored-by: Atemu <atemu.main@gmail.com>
Co-authored-by: Sandro <sandro.jaeckel@gmail.com>
---
 pkgs/top-level/all-packages.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 13a25f86520..328358c6e90 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10320,6 +10320,9 @@ in
   gcc9Stdenv = overrideCC gccStdenv buildPackages.gcc9;
   gcc10Stdenv = overrideCC gccStdenv buildPackages.gcc10;
 
+  # This is not intended for use in nixpkgs but for providing a faster-running
+  # compiler to nixpkgs users by building gcc with reproducibility-breaking
+  # profile-guided optimizations
   fastStdenv = overrideCC gccStdenv (wrapNonDeterministicGcc gccStdenv buildPackages.gcc10);
 
   wrapCCMulti = cc: