From 8644aa9149f40fb00bfd20f0a22a873428f520d3 Mon Sep 17 00:00:00 2001
From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Thu, 12 Sep 2013 01:10:36 +0000
Subject: [PATCH] [libclang] In clang_getLocation, check that the provided
 line/column is valid.

rdar://14971432

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190568 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/libclang/CXSourceLocation.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/libclang/CXSourceLocation.cpp b/tools/libclang/CXSourceLocation.cpp
index 64b2908c49..73711772fc 100644
--- a/tools/libclang/CXSourceLocation.cpp
+++ b/tools/libclang/CXSourceLocation.cpp
@@ -124,6 +124,8 @@ CXSourceLocation clang_getLocation(CXTranslationUnit TU,
                                    unsigned column) {
   if (!TU || !file)
     return clang_getNullLocation();
+  if (line == 0 || column == 0)
+    return clang_getNullLocation();
   
   LogRef Log = Logger::make(LLVM_FUNCTION_NAME);
   ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
-- 
2.50.1