2 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Support/SourceMgr.cpp b/llvm/lib/Support/SourceMgr.cpp
index fac3cad5cc2..4f650b42cce 100644
--- a/llvm/lib/Support/SourceMgr.cpp
+++ b/llvm/lib/Support/SourceMgr.cpp
@@ -65,7 +65,7 @@ unsigned SourceMgr::AddIncludeFile(const std::string &Filename,
     MemoryBuffer::getFile(IncludedFile.c_str(), NewBuf);
   }
 
-  if (NewBuf == 0) return ~0U;
+  if (!NewBuf) return ~0U;
 
   return AddNewSourceBuffer(NewBuf.take(), IncludeLoc);
 }
diff --git a/llvm/lib/Support/Windows/Windows.h b/llvm/lib/Support/Windows/Windows.h
index 5c1da0d617a..2ddd15efa19 100644
--- a/llvm/lib/Support/Windows/Windows.h
+++ b/llvm/lib/Support/Windows/Windows.h
@@ -75,7 +75,7 @@ public:
   }
 
   // True if Handle is valid.
-  operator bool() const {
+  LLVM_EXPLICIT operator bool() const {
     return HandleTraits::IsValid(Handle) ? true : false;
   }