From cbed6bb08555222008e87cfb071adeed97b3f8a4 Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly0@users.noreply.github.com>
Date: Thu, 3 Nov 2022 02:42:18 -0400
Subject: Sema: make `InferredErrorSet` deterministic

Empirically, this `AutoHashMapUnmanaged` -> `AutoArrayHashMapUnmanaged`
change fixes all non-determinism in `ReleaseFast` build artifacts.

Closes #12183
---
 src/Module.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/Module.zig')

diff --git a/src/Module.zig b/src/Module.zig
index 2bda1707b2..6ef5389360 100644
--- a/src/Module.zig
+++ b/src/Module.zig
@@ -1578,7 +1578,7 @@ pub const Fn = struct {
         errors: ErrorSet.NameMap = .{},
 
         /// Other inferred error sets which this inferred error set should include.
-        inferred_error_sets: std.AutoHashMapUnmanaged(*InferredErrorSet, void) = .{},
+        inferred_error_sets: std.AutoArrayHashMapUnmanaged(*InferredErrorSet, void) = .{},
 
         /// Whether the function returned anyerror. This is true if either of
         /// the dependent functions returns anyerror.
-- 
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