From 26a94e8481385619ae049143dd67e551f333fa3f Mon Sep 17 00:00:00 2001
From: mlugg <mlugg@mlugg.co.uk>
Date: Tue, 26 Mar 2024 04:06:39 +0000
Subject: Zcu: eliminate `Decl.alive` field

Legacy anon decls now have three uses:
* Type owner decls
* Function owner decls
* `@export` and `@extern`

Therefore, there are no longer any cases where we wish to explicitly
omit legacy anon decls from the binary. This means we can remove the
concept of an "alive" vs "dead" `Decl`, which also allows us to remove
the separate `anon_work_queue` in `Compilation`.
---
 src/codegen.zig | 4 ----
 1 file changed, 4 deletions(-)

(limited to 'src/codegen.zig')

diff --git a/src/codegen.zig b/src/codegen.zig
index 818284a8f0..48a7f840b2 100644
--- a/src/codegen.zig
+++ b/src/codegen.zig
@@ -835,8 +835,6 @@ fn lowerDeclRef(
         return Result.ok;
     }
 
-    try zcu.markDeclAlive(decl);
-
     const vaddr = try lf.getDeclVAddr(decl_index, .{
         .parent_atom_index = reloc_info.parent_atom_index,
         .offset = code.items.len,
@@ -958,8 +956,6 @@ fn genDeclRef(
         }
     }
 
-    try zcu.markDeclAlive(decl);
-
     const decl_namespace = zcu.namespacePtr(decl.src_namespace);
     const single_threaded = decl_namespace.file_scope.mod.single_threaded;
     const is_threadlocal = tv.val.isPtrToThreadLocal(zcu) and !single_threaded;
-- 
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