From 6f118975f9ca6318a933ee4bfad19fae628c9a8d Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Thu, 27 May 2010 17:33:40 +0000
Subject: MemoryBuffer::getSTDIN may return a null pointer if an error occurs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104856 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Frontend/CompilerInstance.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/Frontend/CompilerInstance.cpp')

diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index 2b251682b7..8bedf50c27 100644
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -442,7 +442,7 @@ bool CompilerInstance::InitializeSourceManager(llvm::StringRef InputFile,
     }
   } else {
     llvm::MemoryBuffer *SB = llvm::MemoryBuffer::getSTDIN();
-    SourceMgr.createMainFileIDForMemBuffer(SB);
+    if (SB) SourceMgr.createMainFileIDForMemBuffer(SB);
     if (SourceMgr.getMainFileID().isInvalid()) {
       Diags.Report(diag::err_fe_error_reading_stdin);
       return false;
-- 
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