fix trivial typos in comments; NFC

llvm-svn: 307123
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index e836135..548a1e2 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -9508,7 +9508,7 @@
   case BO_Mul:
     if (Result.isComplexFloat()) {
       // This is an implementation of complex multiplication according to the
-      // constraints laid out in C11 Annex G. The implemantion uses the
+      // constraints laid out in C11 Annex G. The implemention uses the
       // following naming scheme:
       //   (a + ib) * (c + id)
       ComplexValue LHS = Result;
@@ -9589,7 +9589,7 @@
   case BO_Div:
     if (Result.isComplexFloat()) {
       // This is an implementation of complex division according to the
-      // constraints laid out in C11 Annex G. The implemantion uses the
+      // constraints laid out in C11 Annex G. The implemention uses the
       // following naming scheme:
       //   (a + ib) / (c + id)
       ComplexValue LHS = Result;