From f2435b95747692ddd80f2f7939c47954001f26e5 Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Wed, 12 Apr 2017 02:31:17 +0000
Subject: [PATCH] Serialization: Skip check in WritePragmaDiagnosticMappings,
 NFC

The record is never empty, since we always serialize the initial state.
Skip the check.

llvm-svn: 300021
---
 clang/lib/Serialization/ASTWriter.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 6f0d0eed5b9d..be1945d5715b 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -2904,8 +2904,7 @@ void ASTWriter::WritePragmaDiagnosticMappings(const DiagnosticsEngine &Diag,
     }
   }
 
-  if (!Record.empty())
-    Stream.EmitRecord(DIAG_PRAGMA_MAPPINGS, Record);
+  Stream.EmitRecord(DIAG_PRAGMA_MAPPINGS, Record);
 }
 
 //===----------------------------------------------------------------------===//