From d0cf40d5b206a3aa29e9eb3c3f31ad7bc85b930a Mon Sep 17 00:00:00 2001
From: Vinnie Falco <vinnie.falco@gmail.com>
Date: Tue, 26 Feb 2019 12:36:03 -0800
Subject: [PATCH] Fix as-if post

---
 include/boost/beast/core/detail/impl/read.hpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/boost/beast/core/detail/impl/read.hpp b/include/boost/beast/core/detail/impl/read.hpp
index c237ce20..74458ed2 100644
--- a/include/boost/beast/core/detail/impl/read.hpp
+++ b/include/boost/beast/core/detail/impl/read.hpp
@@ -73,14 +73,13 @@ public:
         std::size_t bytes_transferred,
         bool cont = true)
     {
-        ec_ = ec;
         std::size_t max_size;
         std::size_t max_prepare;
         BOOST_ASIO_CORO_REENTER(*this)
         {
             for(;;)
             {
-                max_size = cond_(ec_, total_, b_);
+                max_size = cond_(ec, total_, b_);
                 max_prepare = std::min<std::size_t>(
                     std::max<std::size_t>(
                         512, b_.capacity() - b_.size()),
@@ -98,11 +97,13 @@ public:
             {
                 // run this handler "as-if" using net::post
                 // to reduce template instantiations
+                ec_ = ec;
                 BOOST_ASIO_CORO_YIELD
                 s_.async_read_some(
                     b_.prepare(0), std::move(*this));
+                ec = ec_;
             }
-            this->invoke_now(ec_, total_);
+            this->invoke_now(ec, total_);
         }
     }
 };