Index: clang/lib/Sema/SemaExpr.cpp
===================================================================
--- clang/lib/Sema/SemaExpr.cpp
+++ clang/lib/Sema/SemaExpr.cpp
@@ -12102,6 +12102,11 @@
   if (Loc.isMacroID())
     return;
 
+  // Do not diagnose if both LHS and RHS are macros
+  if (XorLHS.get()->getExprLoc().isMacroID() &&
+      XorRHS.get()->getExprLoc().isMacroID())
+    return;
+
   bool Negative = false;
   bool ExplicitPlus = false;
   const auto *LHSInt = dyn_cast<IntegerLiteral>(XorLHS.get());
Index: clang/test/SemaCXX/warn-xor-as-pow.cpp
===================================================================
--- clang/test/SemaCXX/warn-xor-as-pow.cpp
+++ clang/test/SemaCXX/warn-xor-as-pow.cpp
@@ -65,6 +65,7 @@
 
   res = 2 ^ 0x4;
   res = 2 ^ 04;
+  res = TWO ^ TEN;
   res = 0x2 ^ 10;
   res = 0X2 ^ 10;
   res = 02 ^ 10;