From febdef43f56e6331f9a42ea756abeed69cc5b434 Mon Sep 17 00:00:00 2001
From: Josh Essman <essman1@llnl.gov>
Date: Thu, 14 Oct 2021 10:21:40 -0700
Subject: [PATCH] fix: add workaround for intel parameter pack bug

---
 include/fmt/os.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/fmt/os.h b/include/fmt/os.h
index 297612fc8322..400e2c17b2fe 100644
--- a/include/fmt/os.h
+++ b/include/fmt/os.h
@@ -390,6 +390,13 @@ struct ostream_params {
       : ostream_params(params...) {
     this->buffer_size = bs.value;
   }
+
+// Intel has a bug that results in failure to deduce a constructor
+// for empty parameter packs.
+#if defined(__INTEL_COMPILER) && __INTEL_COMPILER < 2000
+  ostream_params(int new_oflag) : oflag(new_oflag) {}
+  ostream_params(detail::buffer_size bs) : buffer_size(bs.value) {}
+#endif
 };
 
 FMT_END_DETAIL_NAMESPACE