From a4aaa4f59ba0c6da284d93c2fca7164565a0e63a Mon Sep 17 00:00:00 2001
From: ridiculousfish <rf@fishshell.com>
Date: Wed, 26 Oct 2022 14:19:01 -0700
Subject: [PATCH] Fix the Xenial build

The Xenial build was failing due to a missing default constructor
in maybe_t. Add it.
---
 src/maybe.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/maybe.h b/src/maybe.h
index 29e15350a..4b7de55cc 100644
--- a/src/maybe.h
+++ b/src/maybe.h
@@ -85,6 +85,7 @@ struct maybe_impl_not_trivially_copyable_t : public maybe_impl_trivially_copyabl
             new (storage) T(std::move(v.value()));
         }
     }
+
     maybe_impl_not_trivially_copyable_t &operator=(maybe_impl_not_trivially_copyable_t &&v) {
         if (!v.filled) {
             reset();
@@ -101,6 +102,7 @@ struct maybe_impl_not_trivially_copyable_t : public maybe_impl_trivially_copyabl
             new (storage) T(v.value());
         }
     }
+
     maybe_impl_not_trivially_copyable_t &operator=(const maybe_impl_not_trivially_copyable_t &v) {
         if (&v == this) return *this;
         if (!v.filled) {
@@ -111,6 +113,7 @@ struct maybe_impl_not_trivially_copyable_t : public maybe_impl_trivially_copyabl
         return *this;
     }
 
+    maybe_impl_not_trivially_copyable_t() = default;
     ~maybe_impl_not_trivially_copyable_t() { reset(); }
 };