[Torque] Fix compile error in integer-literal.h

Bug: v8:7793
Change-Id: I88e6ea24909ba1dde8cada90d7b195b6f6ecc783
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3400958Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Auto-Submit: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78678}

src/numbers/integer-literal.h

@@ -12,6 +12,15 @@
 namespace v8 {
 namespace internal {
 
+template <typename T, bool Safe>
+struct Shifter {
+  static constexpr T shift_right(T value, T shift) { return value >> shift; }
+};
+template <typename T>
+struct Shifter<T, false> {
+  static constexpr T shift_right(T value, T shift) { return T(0); }
+};
+
 class IntegerLiteral {
  public:
   using digit_t = bigint::digit_t;
@@ -100,19 +109,20 @@ class IntegerLiteral {
   explicit IntegerLiteral(T value, bool perform_dcheck) : sign_(false) {
     static_assert(std::is_integral<T>::value, "Integral type required");
     if (value == T(0)) return;
-    auto absolute = static_cast<typename std::make_unsigned<T>::type>(value);
+    using unsigned_t = std::make_unsigned_t<T>;
+    auto absolute = static_cast<unsigned_t>(value);
     if (value < T(0)) {
       sign_ = true;
       absolute = (~absolute) + 1;
     }
-    if (sizeof(absolute) <= sizeof(digit_t)) {
-      digits_.push_back(absolute);
-    } else {
-      do {
-        digits_.push_back(static_cast<digit_t>(absolute));
-        absolute >>= sizeof(digit_t) * kBitsPerByte;
-      } while (absolute != 0);
-    }
+    do {
+      digits_.push_back(static_cast<digit_t>(absolute));
+      absolute =
+          Shifter<unsigned_t, (sizeof(absolute) >
+                               sizeof(digit_t))>::shift_right(absolute,
+                                                              sizeof(digit_t) *
+                                                                  kBitsPerByte);
+    } while (absolute != 0);
     if (perform_dcheck) DCHECK_EQ(To<T>(), value);
   }