From 4eb3f50fcf6fcfb6b8013571be00b9eeeb909833 Mon Sep 17 00:00:00 2001
From: r00ster91 <r00ster91@proton.me>
Date: Fri, 3 Mar 2023 19:59:18 +0100
Subject: [PATCH] Wasm @breakpoint: emit unreachable

This should improve the developer debugging experience.
---
 src/arch/wasm/CodeGen.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/arch/wasm/CodeGen.zig b/src/arch/wasm/CodeGen.zig
index d388bc8fab..dbabb436c8 100644
--- a/src/arch/wasm/CodeGen.zig
+++ b/src/arch/wasm/CodeGen.zig
@@ -3298,6 +3298,7 @@ fn airTrap(func: *CodeGen, inst: Air.Inst.Index) InnerError!void {
 fn airBreakpoint(func: *CodeGen, inst: Air.Inst.Index) InnerError!void {
     // unsupported by wasm itfunc. Can be implemented once we support DWARF
     // for wasm
+    try func.addTag(.@"unreachable");
     func.finishAir(inst, .none, &.{});
 }