From 2cdd50c9b266ea828274578481e0c37dc0b19956 Mon Sep 17 00:00:00 2001
From: Andrea Orru <andrea@orru.io>
Date: Tue, 13 Mar 2018 16:14:21 -0700
Subject: Panic instead of segfault when returning generic type from functions
 closes #829

---
 src/analyze.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/analyze.cpp')

diff --git a/src/analyze.cpp b/src/analyze.cpp
index aaf7c08bd8..35ef5df7da 100644
--- a/src/analyze.cpp
+++ b/src/analyze.cpp
@@ -970,7 +970,11 @@ TypeTableEntry *get_fn_type(CodeGen *g, FnTypeId *fn_type_id) {
     if (table_entry) {
         return table_entry->value;
     }
-    ensure_complete_type(g, fn_type_id->return_type);
+    if (fn_type_id->return_type != nullptr) {
+        ensure_complete_type(g, fn_type_id->return_type);
+    } else {
+        zig_panic("TODO implement inferred return types https://github.com/zig-lang/zig/issues/447");
+    }
 
     TypeTableEntry *fn_type = new_type_table_entry(TypeTableEntryIdFn);
     fn_type->is_copyable = true;
-- 
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