From 3cba603eae1a1c8b0338f5584041c73d55682c0a Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sat, 29 Feb 2020 01:05:11 -0500
Subject: fix crash when building docgen

---
 src/analyze.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src/analyze.cpp')

diff --git a/src/analyze.cpp b/src/analyze.cpp
index 90037a1191..1a9172c030 100644
--- a/src/analyze.cpp
+++ b/src/analyze.cpp
@@ -6734,8 +6734,6 @@ static bool const_values_equal_array(CodeGen *g, ZigValue *a, ZigValue *b, size_
 
 bool const_values_equal(CodeGen *g, ZigValue *a, ZigValue *b) {
     if (a->type->id != b->type->id) return false;
-    assert(a->special == ConstValSpecialStatic);
-    assert(b->special == ConstValSpecialStatic);
     if (a->type == b->type) {
         switch (type_has_one_possible_value(g, a->type)) {
             case OnePossibleValueInvalid:
@@ -6746,6 +6744,11 @@ bool const_values_equal(CodeGen *g, ZigValue *a, ZigValue *b) {
                 return true;
         }
     }
+    if (a->special == ConstValSpecialUndef || b->special == ConstValSpecialUndef) {
+        return a->special == b->special;
+    }
+    assert(a->special == ConstValSpecialStatic);
+    assert(b->special == ConstValSpecialStatic);
     switch (a->type->id) {
         case ZigTypeIdOpaque:
             zig_unreachable();
-- 
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