Use pointer_ty instead of func.dfg.value_type

This fixes a borrowck error with the current main branch of Cranelift.

src/intrinsics/mod.rs

@@ -1216,7 +1216,7 @@ fn codegen_regular_intrinsic_call<'tcx>(
             // FIXME once unwinding is supported, change this to actually catch panics
             let f_sig = fx.bcx.func.import_signature(Signature {
                 call_conv: fx.target_config.default_call_conv,
-                params: vec![AbiParam::new(fx.bcx.func.dfg.value_type(data))],
+                params: vec![AbiParam::new(pointer_ty(fx.tcx))],
                 returns: vec![],
             });