From 7e5aeac10a0d2e0179d04bd62875f2a6cbb74ab0 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Fri, 28 May 2010 21:47:04 +0000
Subject: [PATCH] Only provide a source location for an anonymous tag if the
 location is valid

llvm-svn: 105010
---
 clang/lib/AST/TypePrinter.cpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/clang/lib/AST/TypePrinter.cpp b/clang/lib/AST/TypePrinter.cpp
index 35a7e096994d..ccf6fb936290 100644
--- a/clang/lib/AST/TypePrinter.cpp
+++ b/clang/lib/AST/TypePrinter.cpp
@@ -452,11 +452,13 @@ void TypePrinter::PrintTag(TagDecl *D, std::string &InnerString) {
       if (!HasKindDecoration)
         OS << " " << D->getKindName();
 
-      PresumedLoc PLoc = D->getASTContext().getSourceManager().getPresumedLoc(
-        D->getLocation());
-      OS << " at " << PLoc.getFilename()
-         << ':' << PLoc.getLine()
-         << ':' << PLoc.getColumn();
+      if (D->getLocation().isValid()) {
+        PresumedLoc PLoc = D->getASTContext().getSourceManager().getPresumedLoc(
+          D->getLocation());
+        OS << " at " << PLoc.getFilename()
+           << ':' << PLoc.getLine()
+           << ':' << PLoc.getColumn();
+      }
     }
     
     OS << '>';