Fix typo Duncan noticed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95322 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 201e899..cf342c7 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4240,7 +4240,7 @@
   if ((CalleeRetAttr ^ CallerRetAttr) & ~Attribute::NoAlias)
     return false;
 
-  // It's not safe to eliminate thee sign / zero extension of the return value.
+  // It's not safe to eliminate the sign / zero extension of the return value.
   if ((CallerRetAttr & Attribute::ZExt) || (CallerRetAttr & Attribute::SExt))
     return false;