Fix typo. NFC

llvm-svn: 293871
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 3b6e3ab..fafd91d 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -9956,7 +9956,7 @@
 // Note that to reduce code duplication, this helper does no evaluation
 // itself; the caller checks whether the expression is evaluatable, and
 // in the rare cases where CheckICE actually cares about the evaluated
-// value, it calls into Evalute.
+// value, it calls into Evaluate.
 
 namespace {