include the null at the end of a memorybuffer as part of the buffer.
This allows tblgen to handle include "foo.td" when the quote is exactly
the last character in a file. rdar://6695728
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67232 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TGSourceMgr.cpp b/utils/TableGen/TGSourceMgr.cpp
index 9c39230..e4d1c40 100644
--- a/utils/TableGen/TGSourceMgr.cpp
+++ b/utils/TableGen/TGSourceMgr.cpp
@@ -28,7 +28,9 @@
int TGSourceMgr::FindBufferContainingLoc(TGLoc Loc) const {
for (unsigned i = 0, e = Buffers.size(); i != e; ++i)
if (Loc.getPointer() >= Buffers[i].Buffer->getBufferStart() &&
- Loc.getPointer() < Buffers[i].Buffer->getBufferEnd())
+ // Use <= here so that a pointer to the null at the end of the buffer
+ // is included as part of the buffer.
+ Loc.getPointer() <= Buffers[i].Buffer->getBufferEnd())
return i;
return -1;
}