Simplify error messages for two-parameter overloaded increment/decrement operators

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59442 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 2fb1332..74d94d7 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -1987,17 +1987,10 @@
 
     if (!ParamIsInt) {
       diag::kind DK;
-      if (Op == OO_PlusPlus) {
-        if (MethodDecl)
-          DK = diag::err_operator_overload_post_inc_must_be_int_member;
-        else
-          DK = diag::err_operator_overload_post_inc_must_be_int;
-      } else {
-        if (MethodDecl)
-          DK = diag::err_operator_overload_post_dec_must_be_int_member;
-        else
-          DK = diag::err_operator_overload_post_dec_must_be_int;
-      }
+      if (Op == OO_PlusPlus)
+        DK = diag::err_operator_overload_post_inc_must_be_int;
+      else
+        DK = diag::err_operator_overload_post_dec_must_be_int;
       Diag(LastParam->getLocation(), DK,
            Context.getCanonicalType(LastParam->getType()).getAsString(),
            SourceRange(FnDecl->getLocation()));