Revert "Emit clang-computed sizeof values in refcount"

This reverts commit 2ad45b7.

Author: lucic71

cpp2rust/converter/models/converter_refcount.cpp

@@ -1707,8 +1707,9 @@ bool ConverterRefCount::VisitUnaryExprOrTypeTraitExpr(
                                          : expr->getArgumentExpr()->getType();
   switch (expr->getKind()) {
   case clang::UnaryExprOrTypeTrait::UETT_SizeOf:
-    if (clang::Expr::EvalResult size; expr->EvaluateAsInt(size, ctx_)) {
-      StrCat(std::format("{}usize", size.Val.getInt().getZExtValue()));
+    // TODO: Once Values are dropped from fields, precomputation should be gone
+    if (RustSizeDivergesFromC(arg_type)) {
+      StrCat(std::format("{}usize", ctx_.getTypeSize(arg_type) / 8));
       computed_expr_type_ = ComputedExprType::FreshValue;
       return false;
     }

tests/unit/types.cpp

@@ -5,9 +5,6 @@
 #include <cstdint>
 #include <inttypes.h>
 
-static_assert(sizeof(std::size_t) == sizeof(void *), "");
-static_assert(sizeof(int *) == 8, "");
-
 int main() {
   const uint8_t xu8 = 8;
   const uint16_t xu16 = 16;
@@ -28,8 +25,6 @@ int main() {
   std::nullptr_t xnp = nullptr;
   assert(xu8 + xu16 + xu32 + xu64 + xsz1 + xsz2 + xi1 + xi2 + xi3 + xi4 == 352);
   assert(xld * 2 == 3);
-  int *ip = nullptr;
-  assert(sizeof(ip) == sizeof(void *));
   assert(xwc + xc8 + xc16 + xc32 == 266);
   assert(xnp == nullptr);
   return 0;