From 06ee383da9a23016dcb25ff7cb6811e3dc2c387e Mon Sep 17 00:00:00 2001
From: Mason Remaley <mason@anthropicstudios.com>
Date: Sat, 15 Feb 2025 15:42:59 -0800
Subject: compiler: allow `@import` of ZON without a result type

In particular, this allows importing `build.zig.zon` at comptime.
---
 src/Type.zig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/Type.zig')

diff --git a/src/Type.zig b/src/Type.zig
index 3b31337587..ed0df5965f 100644
--- a/src/Type.zig
+++ b/src/Type.zig
@@ -3589,7 +3589,10 @@ pub fn typeDeclSrcLine(ty: Type, zcu: *Zcu) ?u32 {
     };
     const info = tracked.resolveFull(&zcu.intern_pool) orelse return null;
     const file = zcu.fileByIndex(info.file);
-    const zir = file.zir.?;
+    const zir = switch (file.getMode()) {
+        .zig => file.zir.?,
+        .zon => return 0,
+    };
     const inst = zir.instructions.get(@intFromEnum(info.inst));
     return switch (inst.tag) {
         .struct_init, .struct_init_ref => zir.extraData(Zir.Inst.StructInit, inst.data.pl_node.payload_index).data.abs_line,
-- 
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