[clang] [llvm] [CodeGen][arm64e] Add methods and data members to Address, which are needed to authenticate signed pointers (PR #67454)

[Eli Friedman via cfe-commits]

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@@ -395,27 +395,27 @@ namespace {
 void CodeGenFunction::EmitAnyExprToExn(const Expr *e, Address addr) {
   // Make sure the exception object is cleaned up if there's an
   // exception during initialization.
-  pushFullExprCleanup<FreeException>(EHCleanup, addr.getPointer());
-  EHScopeStack::stable_iterator cleanup = EHStack.stable_begin();
-
-  // __cxa_allocate_exception returns a void*;  we need to cast this
-  // to the appropriate type for the object.
-  llvm::Type *ty = ConvertTypeForMem(e->getType());
-  Address typedAddr = addr.withElementType(ty);
-
-  // FIXME: this isn't quite right!  If there's a final unelided call
-  // to a copy constructor, then according to [except.terminate]p1 we
-  // must call std::terminate() if that constructor throws, because
-  // technically that copy occurs after the exception expression is
-  // evaluated but before the exception is caught.  But the best way
-  // to handle that is to teach EmitAggExpr to do the final copy
-  // differently if it can't be elided.
-  EmitAnyExprToMem(e, typedAddr, e->getType().getQualifiers(),
-                   /*IsInit*/ true);
-
-  // Deactivate the cleanup block.
-  DeactivateCleanupBlock(cleanup,
-                         cast<llvm::Instruction>(typedAddr.getPointer()));
+    pushFullExprCleanup<FreeException>(EHCleanup, addr.getRawPointer(*this));
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efriedma-quic wrote:

The new indentation here doesn't look right?

https://github.com/llvm/llvm-project/pull/67454