From 91fb45a51b3fe29772c71cc353aaf1e07caeb507 Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly0@users.noreply.github.com>
Date: Tue, 30 May 2023 21:25:48 -0400
Subject: Sema: fix comptime error set comparisons

---
 src/Sema.zig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Sema.zig b/src/Sema.zig
index 9c458cc433..2ee3404f66 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -15392,7 +15392,9 @@ fn zirCmpEq(
                     if (lval.isUndef(mod) or rval.isUndef(mod)) {
                         return sema.addConstUndef(Type.bool);
                     }
-                    if (lval.toIntern() == rval.toIntern()) {
+                    const lkey = mod.intern_pool.indexToKey(lval.toIntern());
+                    const rkey = mod.intern_pool.indexToKey(rval.toIntern());
+                    if ((lkey.err.name == rkey.err.name) == (op == .eq)) {
                         return Air.Inst.Ref.bool_true;
                     } else {
                         return Air.Inst.Ref.bool_false;
-- 
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