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

Author: tbaederr

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: {

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