From f0034495fa74d7a2c36e4a75520f030bb0cdb16a Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 23 Aug 2019 15:59:37 -0400
Subject: fix regression with simple pointer to self

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

(limited to 'src/analyze.cpp')

diff --git a/src/analyze.cpp b/src/analyze.cpp
index f6e8a77770..0b65210eea 100644
--- a/src/analyze.cpp
+++ b/src/analyze.cpp
@@ -961,6 +961,13 @@ static Error type_val_resolve_zero_bits(CodeGen *g, ConstExprValue *type_val, Zi
     Error err;
     if (type_val->special != ConstValSpecialLazy) {
         assert(type_val->special == ConstValSpecialStatic);
+        if (type_val->data.x_type->id == ZigTypeIdStruct &&
+            type_val->data.x_type->data.structure.resolve_loop_flag_zero_bits)
+        {
+            // Does a struct which contains a pointer field to itself have bits? Yes.
+            *is_zero_bits = false;
+            return ErrorNone;
+        }
         if ((err = type_resolve(g, type_val->data.x_type, ResolveStatusZeroBitsKnown)))
             return err;
         *is_zero_bits = (type_val->data.x_type->abi_size == 0);
-- 
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