From 98253bc0eee2bace0ec1689126a8dd853d296877 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Thu, 25 Sep 2025 17:14:26 -0700
Subject: [PATCH] Compilation: --debug-rt always Debug

--debug-rt previously would make rt libs match the root module. Now they
are always debug when --debug-rt is passed. This includes compiler-rt,
fuzzer lib, and others.
---
 src/Compilation.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Compilation.zig b/src/Compilation.zig
index bf7246b8d8..1ea5e2d652 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -8116,7 +8116,7 @@ pub fn addLinkLib(comp: *Compilation, lib_name: []const u8) !void {
 /// compiler-rt, libcxx, libc, libunwind, etc.
 pub fn compilerRtOptMode(comp: Compilation) std.builtin.OptimizeMode {
     if (comp.debug_compiler_runtime_libs) {
-        return comp.root_mod.optimize_mode;
+        return .Debug;
     }
     const target = &comp.root_mod.resolved_target.result;
     switch (comp.root_mod.optimize_mode) {