From 43be6ccb03e6ce32f78c69129b61d49cae2b747d Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Wed, 21 Dec 2016 23:04:04 -0500
Subject: IR: fix phi instruction when one of the predecessors is unreachable

---
 src/analyze.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/analyze.cpp')

diff --git a/src/analyze.cpp b/src/analyze.cpp
index 20e1e87a34..f374920709 100644
--- a/src/analyze.cpp
+++ b/src/analyze.cpp
@@ -2268,6 +2268,7 @@ static void analyze_fn_body(CodeGen *g, FnTableEntry *fn_table_entry) {
     if (block_return_type->id == TypeTableEntryIdInvalid ||
         fn_table_entry->analyzed_executable.invalid)
     {
+        assert(g->errors.length > 0);
         fn_table_entry->anal_state = FnAnalStateInvalid;
         return;
     }
-- 
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