From 3fa4c5043a9bf5f80cd6c80d9472998e586740de Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Sun, 1 Dec 2019 16:05:48 +0000
Subject: [PATCH] Fix crash caused by not checking for correct SOA kind on
 polymorphic parameters

---
 src/check_expr.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index ca089a745..2ee91a5b3 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -926,7 +926,8 @@ bool is_polymorphic_type_assignable(CheckerContext *c, Type *poly, Type *source,
 
 	case Type_Struct:
 		if (source->kind == Type_Struct) {
-			if (poly->Struct.soa_kind == source->Struct.soa_kind) {
+			if (poly->Struct.soa_kind == source->Struct.soa_kind &&
+			    poly->Struct.soa_kind != StructSoa_None) {
 				bool ok = is_polymorphic_type_assignable(c, poly->Struct.soa_elem, source->Struct.soa_elem, true, modify_type);
 				if (ok) switch (source->Struct.soa_kind) {
 				case StructSoa_Fixed: