[WinEH] Pass the catch adjectives to catchpad directly

This avoids building a fake LLVM IR global variable just to ferry an i32
down into LLVM codegen. It also puts a nail in the coffin of using MS
ABI C++ EH with landingpads, since now we'll assert in the lpad code
when flags are present.

llvm-svn: 247843

clang/lib/CodeGen/CodeGenModule.h

@@ -723,9 +723,6 @@ public:
   /// Get the address of the RTTI descriptor for the given type.
   llvm::Constant *GetAddrOfRTTIDescriptor(QualType Ty, bool ForEH = false);
 
-  llvm::Constant *getAddrOfCXXCatchHandlerType(QualType Ty,
-                                               QualType CatchHandlerType);
-
   /// Get the address of a uuid descriptor .
   ConstantAddress GetAddrOfUuidDescriptor(const CXXUuidofExpr* E);