From 84c05e3b873a95c8c8d64fa8083407bcf395383f Mon Sep 17 00:00:00 2001
From: Axel Naumann <Axel.Naumann@cern.ch>
Date: Wed, 24 Aug 2011 13:36:19 +0000
Subject: [PATCH] Reset FirstID (first diagnostic's file ID) to allow for
 invocations of the VerifyDiagnosticsClient on several input files.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138434 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Frontend/VerifyDiagnosticsClient.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Frontend/VerifyDiagnosticsClient.cpp b/lib/Frontend/VerifyDiagnosticsClient.cpp
index fce7973d56..16c945b417 100644
--- a/lib/Frontend/VerifyDiagnosticsClient.cpp
+++ b/lib/Frontend/VerifyDiagnosticsClient.cpp
@@ -493,8 +493,10 @@ void VerifyDiagnosticsClient::CheckDiagnostics() {
     if (!FirstErrorFID.isInvalid() && FirstErrorFID != SM.getMainFileID()
         && (!SM.getFileEntryForID(FirstErrorFID)
             || (SM.getFileEntryForID(FirstErrorFID) !=
-                SM.getFileEntryForID(SM.getMainFileID()))))
+                SM.getFileEntryForID(SM.getMainFileID())))) {
       FindExpectedDiags(*CurrentPreprocessor, ED, FirstErrorFID);
+      FirstErrorFID = FileID();
+    }
 
     // Check that the expected diagnostics occurred.
     NumErrors += CheckResults(Diags, SM, *Buffer, ED);
-- 
2.50.1