[lldb][NFC] Mark ClangASTContext constructor as explicit

Given that we can implicitly construct a ClangASTContext from any string, we should
really mark this as explicit.

llvm-svn: 373339

diff --git a/lldb/include/lldb/Symbol/ClangASTContext.h b/lldb/include/lldb/Symbol/ClangASTContext.h
index 4b2b758..d791f18 100644 (file)
--- a/lldb/include/lldb/Symbol/ClangASTContext.h
+++ b/lldb/include/lldb/Symbol/ClangASTContext.h
@@ -52,7 +52,7 @@ public:
   }
 
   // Constructors and Destructors
-  ClangASTContext(llvm::StringRef triple = "");
+  explicit ClangASTContext(llvm::StringRef triple = "");
 
   /// Constructs a ClangASTContext that uses an existing ASTContext internally.
   /// Useful when having an existing ASTContext created by Clang.