From 3ef447fa20f54f75ad3b9be59768b4ef284cb941 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sun, 8 Jan 2017 10:30:05 -0500
Subject: don't try to eval extern functions at compile time

---
 src/ir.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/ir.cpp')

diff --git a/src/ir.cpp b/src/ir.cpp
index 16467ff440..5554e10215 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -7466,7 +7466,7 @@ static TypeTableEntry *ir_analyze_fn_call(IrAnalyze *ira, IrInstructionCall *cal
 
     if (inline_fn_call) {
         // No special handling is needed for compile time evaluation of generic functions.
-        if (!fn_entry) {
+        if (!fn_entry || fn_entry->type_entry->data.fn.fn_type_id.is_extern) {
             ir_add_error(ira, fn_ref, buf_sprintf("unable to evaluate constant expression"));
             return ira->codegen->builtin_types.entry_invalid;
         }
-- 
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