From 978fe68a65be2b5a1551ab5eafdcdbfa467ba891 Mon Sep 17 00:00:00 2001
From: mlugg <mlugg@mlugg.co.uk>
Date: Wed, 14 Aug 2024 02:44:05 +0100
Subject: Compilation: actually do codegen on non-initial updates

---
 src/Compilation.zig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/Compilation.zig')

diff --git a/src/Compilation.zig b/src/Compilation.zig
index 8787d679e6..af98fc6f6e 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -3685,7 +3685,10 @@ fn performAllTheWorkInner(
         zcu.codegen_prog_node = main_progress_node.start("Code Generation", 0);
     }
 
-    if (!InternPool.single_threaded) comp.thread_pool.spawnWgId(&work_queue_wait_group, codegenThread, .{comp});
+    if (!InternPool.single_threaded) {
+        comp.codegen_work.done = false; // may be `true` from a prior update
+        comp.thread_pool.spawnWgId(&work_queue_wait_group, codegenThread, .{comp});
+    }
     defer if (!InternPool.single_threaded) {
         {
             comp.codegen_work.mutex.lock();
-- 
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