boost_182_json_noexceptions.diff

diff --git a/libs/json/include/boost/json/detail/value_to.hpp b/libs/json/include/boost/json/detail/value_to.hpp
index 7cb779e..6df1c9d 100644
--- a/libs/json/include/boost/json/detail/value_to.hpp
+++ b/libs/json/include/boost/json/detail/value_to.hpp
@@ -652,10 +652,13 @@ value_to_impl(
     value const& jv,
     user_conversion_tag)
 {
+#ifndef BOOST_NO_EXCEPTIONS
     try
     {
+#endif  // BOOST_NO_EXCEPTIONS
         return {
             boost::system::in_place_value, tag_invoke(value_to_tag<T>(), jv)};
+#ifndef BOOST_NO_EXCEPTIONS
     }
     catch( std::bad_alloc const&)
     {
@@ -671,6 +674,7 @@ value_to_impl(
         BOOST_JSON_FAIL(ec, error::exception);
         return {boost::system::in_place_error, ec};
     }
+#endif  // BOOST_NO_EXCEPTIONS
 }
 
 // no suitable conversion implementation
diff --git a/libs/json/include/boost/json/impl/value.ipp b/libs/json/include/boost/json/impl/value.ipp
index 7460c02..7513b38 100644
--- a/libs/json/include/boost/json/impl/value.ipp
+++ b/libs/json/include/boost/json/impl/value.ipp
@@ -381,7 +381,9 @@ operator>>(
     char read_buf[BOOST_JSON_STACK_BUFFER_SIZE / 2];
     std::streambuf& buf = *is.rdbuf();
     std::ios::iostate err = std::ios::goodbit;
+#ifndef BOOST_NO_EXCEPTIONS
     try
+#endif
     {
         while( true )
         {
@@ -437,6 +439,7 @@ operator>>(
                 break;
         }
     }
+#ifndef BOOST_NO_EXCEPTIONS
     catch(...)
     {
         try
@@ -450,6 +453,7 @@ operator>>(
         if( is.exceptions() & std::ios::badbit )
             throw;
     }
+#endif
 
     is.setstate(err | std::ios::failbit);
     return is;