Change the MemoryBuffer::getFile* methods to take just a pointer to the
start of a filename, not a filename+length.  All clients can produce a
null terminated name, and the system api's require null terminated 
strings anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp
index 7f8987d..cc996c5 100644
--- a/utils/TableGen/TableGen.cpp
+++ b/utils/TableGen/TableGen.cpp
@@ -107,8 +107,7 @@
 static bool ParseFile(const std::string &Filename, 
                       const std::vector<std::string> &IncludeDirs) {
   std::string ErrorStr;
-  MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(&Filename[0], Filename.size(),
-                                                 &ErrorStr);
+  MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
   if (F == 0) {
     cerr << "Could not open input file '" + Filename + "': " << ErrorStr <<"\n";
     return true;