guix: document when GCC SSA gen patch can be removed
What the developer wrote
Authored by fanquake
guix: document when GCC SSA gen patch can be removed
What changed, and why it matters
This commit only adds a comment to an existing build-system patch file. It documents which future GCC versions will make this patch unnecessary. No code behavior is changed, and there is no security relevance.
No action needed; this is a non-functional documentation update.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The diff adds a five-line header comment to contrib/guix/patches/gcc-ssa-generation.patch noting that the patch can be removed when building with GCC 14.4, 15.3, or 16.x, and links to three upstream GCC commits. The patch content itself is untouched. This is a documentation-only change in the Guix reproducible-build tooling.
Changed components
contrib/guix/patches/gcc-ssa-generation.patchInspect captured patch +5 / −0
diff --git a/contrib/guix/patches/gcc-ssa-generation.patch b/contrib/guix/patches/gcc-ssa-generation.patch
index 2e5a6002..7054fbf3 100644
--- a/contrib/guix/patches/gcc-ssa-generation.patch
+++ b/contrib/guix/patches/gcc-ssa-generation.patch
@@ -1,3 +1,8 @@
+This patch can be removed when using GCC 14.4, 15.3 or 16.x.
+14.x: https://github.com/gcc-mirror/gcc/commit/2d7099faa5c59b871e3027268d70a8a46d892824
+15.x: https://github.com/gcc-mirror/gcc/commit/7debee2cb6503b2af0f1d43b0e56b759474396d5
+16.x: https://github.com/gcc-mirror/gcc/commit/c6085ca0ed4cef3bcf4eb382cb71e44219c10f6e
+
commit b46614ebfc57ccca8a050668ad0e8ba5968c5943
Author: Jakub Jelinek <jakub@redhat.com>
Date: Tue Jan 6 08:36:20 2026 +0100
Why this scored 15/100
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