From f78d3b27ca1bea33c92e2f8eae84589db28c06cb Mon Sep 17 00:00:00 2001
From: Jimmi Holst Christensen <jhc@dismail.de>
Date: Fri, 7 Jan 2022 19:00:51 +0100
Subject: Increment `runtime_param_index` for zero sized parameters

`runtime_param_index` is used to get the parameter type from `fn_type`,
but this variable was not incremented for zero sized parameters, causing
two zero sized parameters of different type to cause miss complication.
---
 src/Module.zig | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/Module.zig')

diff --git a/src/Module.zig b/src/Module.zig
index 8c14f080d2..643e793206 100644
--- a/src/Module.zig
+++ b/src/Module.zig
@@ -4437,6 +4437,7 @@ pub fn analyzeFnBody(mod: *Module, decl: *Decl, func: *Fn, arena: Allocator) Sem
             const arg = try sema.addConstant(param_type, opv);
             sema.inst_map.putAssumeCapacityNoClobber(inst, arg);
             total_param_index += 1;
+            runtime_param_index += 1;
             continue;
         }
         const ty_ref = try sema.addType(param_type);
-- 
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