From aa31096cbd0d66d7c31e12eebe91f36293346dba Mon Sep 17 00:00:00 2001
From: Bogdan Romanyuk <65823030+wrongnull@users.noreply.github.com>
Date: Thu, 23 Nov 2023 05:08:15 +0300
Subject: Sema: disallow call to undefined function

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

(limited to 'src')

diff --git a/src/Sema.zig b/src/Sema.zig
index a15699c867..5a55b9d097 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -7132,6 +7132,9 @@ fn analyzeCall(
     const callee_ty = sema.typeOf(func);
     const func_ty_info = mod.typeToFunc(func_ty).?;
     const cc = func_ty_info.cc;
+    if (try sema.resolveValue(func)) |func_val|
+        if (func_val.isUndef(mod))
+            return sema.failWithUseOfUndef(block, call_src);
     if (cc == .Naked) {
         const maybe_decl = try sema.funcDeclSrc(func);
         const msg = msg: {
-- 
cgit v1.2.3