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-rw-r--r--include/llvm/ADT/StringRef.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/ADT/StringRef.h b/include/llvm/ADT/StringRef.h
index e771cd0edd..e24fe05e7c 100644
--- a/include/llvm/ADT/StringRef.h
+++ b/include/llvm/ADT/StringRef.h
@@ -76,6 +76,11 @@ namespace llvm {
/// size - Get the string size.
size_t size() const { return Length; }
+
+ char back() const {
+ assert(!empty());
+ return Data[Length-1];
+ }
/// equals - Check for string equality, this is more efficient than
/// compare() in when the relative ordering of inequal strings isn't needed.