Merge commit 'a9ce60ee885e' from llvm.org/main into next

Author: git apple-llvm automerger

clang/include/clang/Basic/LangOptions.h

@@ -78,8 +78,6 @@ class LangOptionsBase {
   using RoundingMode = llvm::RoundingMode;
   using CFBranchLabelSchemeKind = clang::CFBranchLabelSchemeKind;
 
-  LangOptionsBase() = default;
-
   enum GCMode { NonGC, GCOnly, HybridGC };
   enum StackProtectorMode { SSPOff, SSPOn, SSPStrong, SSPReq };