r183751 - Modify a comment to reflect changes of r183717.

[Argyrios Kyrtzidis]

Author: akirtzidis
Date: Tue Jun 11 11:42:34 2013
New Revision: 183751

URL: http://llvm.org/viewvc/llvm-project?rev=183751&view=rev
Log:
Modify a comment to reflect changes of r183717.

Modified:
    cfe/trunk/lib/Frontend/ASTUnit.cpp

Modified: cfe/trunk/lib/Frontend/ASTUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/ASTUnit.cpp?rev=183751&r1=183750&r2=183751&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/ASTUnit.cpp (original)
+++ cfe/trunk/lib/Frontend/ASTUnit.cpp Tue Jun 11 11:42:34 2013
@@ -1634,8 +1634,8 @@ llvm::MemoryBuffer *ASTUnit::getMainBuff
   Act->EndSourceFile();
 
   if (!Act->hasEmittedPreamblePCH()) {
-    // There were errors parsing the preamble, so no precompiled header was
-    // generated. Forget that we even tried.
+    // The preamble PCH failed (e.g. there was a module loading fatal error),
+    // so no precompiled header was generated. Forget that we even tried.
     // FIXME: Should we leave a note for ourselves to try again?
     llvm::sys::Path(FrontendOpts.OutputFile).eraseFromDisk();
     Preamble.clear();