[clang] [clang][bytecode] Ignore CPointerToObjCPointerCasts (PR #109760)

[Timm Baeder via cfe-commits]

https://github.com/tbaederr created https://github.com/llvm/llvm-project/pull/109760

None

>From decabdb5b12f11a72cc1d63507ced2c1e1def792 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder at redhat.com>
Date: Tue, 24 Sep 2024 09:12:43 +0200
Subject: [PATCH] [clang][bytecode] Ignore CPointerToObjCPointerCasts

---
 clang/lib/AST/ByteCode/Compiler.cpp | 1 +
 clang/test/AST/ByteCode/codegen.m   | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/clang/lib/AST/ByteCode/Compiler.cpp b/clang/lib/AST/ByteCode/Compiler.cpp
index e89863a231bed4..939a3aa43ff8dd 100644
--- a/clang/lib/AST/ByteCode/Compiler.cpp
+++ b/clang/lib/AST/ByteCode/Compiler.cpp
@@ -431,6 +431,7 @@ bool Compiler<Emitter>::VisitCastExpr(const CastExpr *CE) {
   case CK_NoOp:
   case CK_UserDefinedConversion:
   case CK_AddressSpaceConversion:
+  case CK_CPointerToObjCPointerCast:
     return this->delegate(SubExpr);
 
   case CK_BitCast: {
diff --git a/clang/test/AST/ByteCode/codegen.m b/clang/test/AST/ByteCode/codegen.m
index 08c3d9a70b36d7..6139596c6337a2 100644
--- a/clang/test/AST/ByteCode/codegen.m
+++ b/clang/test/AST/ByteCode/codegen.m
@@ -10,3 +10,8 @@
 //
 // CHECK-NEXT: @.str = {{.*}}constant [13 x i8] c"Hello World!\00", section "__TEXT,__cstring,cstring_literals", align 1
 id a = @"Hello World!";
+
+extern void OBJC_CLASS_$_f;
+Class c = (Class)&OBJC_CLASS_$_f;
+// CHECK: @c ={{.*}} global ptr @"OBJC_CLASS_$_f"
+// CHECK: @"OBJC_CLASS_$_f" ={{.*}} global %struct._class_t