1 files changed, 7 insertions, 6 deletions
diff --git a/include/clang/Basic/CharInfo.h b/include/clang/Basic/CharInfo.h
index cc27bbb48e0d1..e6c5e90d346c6 100644
--- a/include/clang/Basic/CharInfo.h
+++ b/include/clang/Basic/CharInfo.h
@@ -1,4 +1,4 @@
-//===--- clang/Basic/CharInfo.h - Classifying ASCII Characters ------------===//
+//===--- clang/Basic/CharInfo.h - Classifying ASCII Characters --*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -180,14 +180,15 @@ LLVM_READONLY inline char toUppercase(char c) {
 
 /// Return true if this is a valid ASCII identifier.
 ///
-/// Note that this is a very simple check; it does not accept '$' or UCNs as
-/// valid identifier characters.
-LLVM_READONLY inline bool isValidIdentifier(StringRef S) {
-  if (S.empty() || !isIdentifierHead(S[0]))
+/// Note that this is a very simple check; it does not accept UCNs as valid
+/// identifier characters.
+LLVM_READONLY inline bool isValidIdentifier(StringRef S,
+                                            bool AllowDollar = false) {
+  if (S.empty() || !isIdentifierHead(S[0], AllowDollar))
     return false;
 
   for (StringRef::iterator I = S.begin(), E = S.end(); I != E; ++I)
-    if (!isIdentifierBody(*I))
+    if (!isIdentifierBody(*I, AllowDollar))
       return false;
 
   return true;