From 4e64373fc07a1e24735bcbdfd463e11839c8c273 Mon Sep 17 00:00:00 2001
From: Veikka Tuominen <git@vexu.eu>
Date: Fri, 30 Dec 2022 14:28:04 +0200
Subject: fix generic function arg debug info referencing wrong parameter

Closes #14123
---
 src/Module.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/Module.zig')

diff --git a/src/Module.zig b/src/Module.zig
index 3347280f59..cf864f585b 100644
--- a/src/Module.zig
+++ b/src/Module.zig
@@ -5672,11 +5672,15 @@ pub fn analyzeFnBody(mod: *Module, func: *Fn, arena: Allocator) SemaError!Air {
             runtime_param_index += 1;
             continue;
         }
+        const air_ty = try sema.addType(param_ty);
         const arg_index = @intCast(u32, sema.air_instructions.len);
         inner_block.instructions.appendAssumeCapacity(arg_index);
         sema.air_instructions.appendAssumeCapacity(.{
             .tag = .arg,
-            .data = .{ .ty = param_ty },
+            .data = .{ .arg = .{
+                .ty = air_ty,
+                .src_index = @intCast(u32, total_param_index),
+            } },
         });
         sema.inst_map.putAssumeCapacityNoClobber(inst, Air.indexToRef(arg_index));
         total_param_index += 1;
-- 
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