diff --git a/Cargo.lock b/Cargo.lock
index dedce6d66..c6aec7b4f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3305,9 +3305,9 @@ dependencies = [
 
 [[package]]
 name = "v8"
-version = "145.0.0"
+version = "146.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61d9a107e16bae35a0be2bb0096ac1d2318aac352c82edd796ab2b9cac66d8f0"
+checksum = "70bb6bcbb6a406fd720dad66d85337bd401d8276c7276f6a86164af6e1c57118"
 dependencies = [
  "bindgen",
  "bitflags",
diff --git a/Cargo.toml b/Cargo.toml
index 5447c8ea6..95c054803 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ deno_error = { version = "0.7.0", features = ["serde_json", "serde", "url", "tok
 deno_ops = { version = "0.262.0", path = "./ops" }
 deno_unsync = "0.4.2"
 serde_v8 = { version = "0.295.0", path = "./serde_v8" }
-v8 = { version = "145.0.0", default-features = false }
+v8 = { version = "146.1.0", default-features = false }
 
 anyhow = "1"
 bencher = "0.1"
diff --git a/core/modules/map.rs b/core/modules/map.rs
index f5b608436..3c58d579b 100644
--- a/core/modules/map.rs
+++ b/core/modules/map.rs
@@ -1543,10 +1543,22 @@ impl ModuleMap {
     let promise = v8::Local::<v8::Promise>::try_from(value)
       .expect("Expected to get promise as module evaluation result");
 
+    promise.mark_as_handled();
+
     match promise.state() {
       PromiseState::Fulfilled => Ok(()),
       PromiseState::Rejected => {
         let err = promise.result(tc_scope);
+
+        let exception_state = JsRealm::exception_state_from_scope(tc_scope);
+        // TODO: remove after crrev.com/c/7595271
+        exception_state.track_promise_rejection(
+          tc_scope,
+          promise,
+          v8::PromiseRejectEvent::PromiseHandlerAddedAfterReject,
+          None,
+        );
+
         Err(
           CoreErrorKind::Js(JsError::from_v8_exception(tc_scope, err))
             .into_box(),
diff --git a/core/ops_builtin.rs b/core/ops_builtin.rs
index 2f66aadd2..ca19e91e0 100644
--- a/core/ops_builtin.rs
+++ b/core/ops_builtin.rs
@@ -232,7 +232,7 @@ pub fn op_print(
   Ok(())
 }
 
-pub struct WasmStreamingResource(pub(crate) RefCell<v8::WasmStreaming>);
+pub struct WasmStreamingResource(pub(crate) RefCell<v8::WasmStreaming<false>>);
 
 impl Resource for WasmStreamingResource {
   fn close(self: Rc<Self>) {
@@ -623,7 +623,20 @@ fn wrap_module<'s, 'i>(
 
   wrapper_module.instantiate_module(scope, resolve_callback)?;
 
-  wrapper_module.evaluate(scope)?;
+  let result = wrapper_module.evaluate(scope)?;
+  if let Ok(promise) = result.try_cast::<v8::Promise>() {
+    promise.mark_as_handled();
+    if promise.state() == v8::PromiseState::Rejected {
+      let exception_state = JsRealm::exception_state_from_scope(scope);
+      // TODO: remove after crrev.com/c/7595271
+      exception_state.track_promise_rejection(
+        scope,
+        promise,
+        v8::PromiseRejectEvent::PromiseHandlerAddedAfterReject,
+        None,
+      );
+    }
+  }
 
   Some(wrapper_module)
 }
diff --git a/core/runtime/tests/misc.rs b/core/runtime/tests/misc.rs
index a7b8b5b15..9ddfe023a 100644
--- a/core/runtime/tests/misc.rs
+++ b/core/runtime/tests/misc.rs
@@ -1435,7 +1435,7 @@ async fn global_template_middleware() {
   ) -> v8::Intercepted {
     CALLS.lock().push("descriptor".to_string());
 
-    v8::Intercepted::No
+    v8::Intercepted::kNo
   }
 
   pub fn setter<'s>(
@@ -1446,7 +1446,7 @@ async fn global_template_middleware() {
     _rv: v8::ReturnValue<()>,
   ) -> v8::Intercepted {
     CALLS.lock().push("setter".to_string());
-    v8::Intercepted::No
+    v8::Intercepted::kNo
   }
 
   fn definer<'s>(
@@ -1457,7 +1457,7 @@ async fn global_template_middleware() {
     _rv: v8::ReturnValue<()>,
   ) -> v8::Intercepted {
     CALLS.lock().push("definer".to_string());
-    v8::Intercepted::No
+    v8::Intercepted::kNo
   }
 
   pub fn gt_middleware<'s>(
diff --git a/ops/op2/dispatch_fast.rs b/ops/op2/dispatch_fast.rs
index a52f58598..e938c59bb 100644
--- a/ops/op2/dispatch_fast.rs
+++ b/ops/op2/dispatch_fast.rs
@@ -250,11 +250,11 @@ impl V8FastCallType {
       V8FastCallType::Bool => quote!(CType::Bool.as_info()),
       V8FastCallType::U32 => quote!(v8::fast_api::CTypeInfo::new(
         CType::Uint32,
-        v8::fast_api::Flags::Clamp
+        v8::fast_api::Flags::empty(),
       )),
       V8FastCallType::I32 => quote!(v8::fast_api::CTypeInfo::new(
         CType::Int32,
-        v8::fast_api::Flags::Clamp
+        v8::fast_api::Flags::empty(),
       )),
       V8FastCallType::U64 => quote!(CType::Uint64.as_info()),
       V8FastCallType::I64 => quote!(CType::Int64.as_info()),
diff --git a/ops/op2/test_cases/async/async_deferred.out b/ops/op2/test_cases/async/async_deferred.out
index 7a512ffff..af302407e 100644
--- a/ops/op2/test_cases/async/async_deferred.out
+++ b/ops/op2/test_cases/async/async_deferred.out
@@ -27,7 +27,7 @@ pub const fn op_async_deferred() -> ::deno_core::_ops::OpDecl {
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
@@ -46,7 +46,7 @@ pub const fn op_async_deferred() -> ::deno_core::_ops::OpDecl {
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
diff --git a/ops/op2/test_cases/async/async_lazy.out b/ops/op2/test_cases/async/async_lazy.out
index 29239db86..40ae3f94d 100644
--- a/ops/op2/test_cases/async/async_lazy.out
+++ b/ops/op2/test_cases/async/async_lazy.out
@@ -27,7 +27,7 @@ pub const fn op_async_lazy() -> ::deno_core::_ops::OpDecl {
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
@@ -46,7 +46,7 @@ pub const fn op_async_lazy() -> ::deno_core::_ops::OpDecl {
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
diff --git a/ops/op2/test_cases/sync/add.out b/ops/op2/test_cases/sync/add.out
index 7d25988b0..d8bfc0ba9 100644
--- a/ops/op2/test_cases/sync/add.out
+++ b/ops/op2/test_cases/sync/add.out
@@ -24,17 +24,17 @@ const fn op_add() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                         ],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -49,17 +49,17 @@ const fn op_add() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
diff --git a/ops/op2/test_cases/sync/fast_alternative.out b/ops/op2/test_cases/sync/fast_alternative.out
index ce40c98a5..4f853650f 100644
--- a/ops/op2/test_cases/sync/fast_alternative.out
+++ b/ops/op2/test_cases/sync/fast_alternative.out
@@ -131,17 +131,17 @@ const fn op_fast() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                         ],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -156,17 +156,17 @@ const fn op_fast() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
@@ -435,17 +435,17 @@ const fn op_fast_generic<T: Trait>() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                         ],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -460,17 +460,17 @@ const fn op_fast_generic<T: Trait>() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Uint32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
diff --git a/ops/op2/test_cases/sync/result_primitive.out b/ops/op2/test_cases/sync/result_primitive.out
index 909e4f6f7..8c0d39d2d 100644
--- a/ops/op2/test_cases/sync/result_primitive.out
+++ b/ops/op2/test_cases/sync/result_primitive.out
@@ -24,7 +24,7 @@ pub const fn op_u32_with_result() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[CType::V8Value.as_info(), CType::CallbackOptions.as_info()],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -39,7 +39,7 @@ pub const fn op_u32_with_result() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[CType::V8Value.as_info(), CType::CallbackOptions.as_info()],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
diff --git a/ops/op2/test_cases/sync/smi.out b/ops/op2/test_cases/sync/smi.out
index 7ad23a80b..2ecd4bc0d 100644
--- a/ops/op2/test_cases/sync/smi.out
+++ b/ops/op2/test_cases/sync/smi.out
@@ -24,25 +24,25 @@ const fn op_smi_unsigned_return() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Int32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                         ],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -57,25 +57,25 @@ const fn op_smi_unsigned_return() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Int32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
@@ -261,25 +261,25 @@ const fn op_smi_signed_return() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Int32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                         ],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -294,25 +294,25 @@ const fn op_smi_signed_return() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Int32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             v8::fast_api::CTypeInfo::new(
                                 CType::Int32,
-                                v8::fast_api::Flags::Clamp,
+                                v8::fast_api::Flags::empty(),
                             ),
                             CType::CallbackOptions.as_info(),
                         ],
diff --git a/ops/op2/test_cases/sync/string_cow.out b/ops/op2/test_cases/sync/string_cow.out
index 7a563374b..58c854c8c 100644
--- a/ops/op2/test_cases/sync/string_cow.out
+++ b/ops/op2/test_cases/sync/string_cow.out
@@ -24,7 +24,7 @@ const fn op_string_cow() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[CType::V8Value.as_info(), CType::SeqOneByteString.as_info()],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -39,7 +39,7 @@ const fn op_string_cow() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
diff --git a/ops/op2/test_cases/sync/string_onebyte.out b/ops/op2/test_cases/sync/string_onebyte.out
index c006e6a0a..6d98976e1 100644
--- a/ops/op2/test_cases/sync/string_onebyte.out
+++ b/ops/op2/test_cases/sync/string_onebyte.out
@@ -24,7 +24,7 @@ const fn op_string_onebyte() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[CType::V8Value.as_info(), CType::SeqOneByteString.as_info()],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -39,7 +39,7 @@ const fn op_string_onebyte() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
diff --git a/ops/op2/test_cases/sync/string_owned.out b/ops/op2/test_cases/sync/string_owned.out
index 04c5aeafa..6b9f47e50 100644
--- a/ops/op2/test_cases/sync/string_owned.out
+++ b/ops/op2/test_cases/sync/string_owned.out
@@ -24,7 +24,7 @@ const fn op_string_owned() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[CType::V8Value.as_info(), CType::SeqOneByteString.as_info()],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -39,7 +39,7 @@ const fn op_string_owned() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
diff --git a/ops/op2/test_cases/sync/string_ref.out b/ops/op2/test_cases/sync/string_ref.out
index efd905d67..d45b3b5ca 100644
--- a/ops/op2/test_cases/sync/string_ref.out
+++ b/ops/op2/test_cases/sync/string_ref.out
@@ -24,7 +24,7 @@ const fn op_string_owned() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[CType::V8Value.as_info(), CType::SeqOneByteString.as_info()],
                         deno_core::v8::fast_api::Int64Representation::BigInt,
@@ -39,7 +39,7 @@ const fn op_string_owned() -> ::deno_core::_ops::OpDecl {
                     &deno_core::v8::fast_api::CFunctionInfo::new(
                         v8::fast_api::CTypeInfo::new(
                             CType::Uint32,
-                            v8::fast_api::Flags::Clamp,
+                            v8::fast_api::Flags::empty(),
                         ),
                         &[
                             CType::V8Value.as_info(),
diff --git a/testing/integration/import_sync_throw/import_sync_throw.out b/testing/integration/import_sync_throw/import_sync_throw.out
new file mode 100644
index 000000000..e69de29bb
diff --git a/testing/integration/import_sync_throw/import_sync_throw.ts b/testing/integration/import_sync_throw/import_sync_throw.ts
new file mode 100644
index 000000000..42c383e4d
--- /dev/null
+++ b/testing/integration/import_sync_throw/import_sync_throw.ts
@@ -0,0 +1,21 @@
+// Copyright 2018-2025 the Deno authors. MIT license.
+
+import { assertThrows } from "checkin:testing";
+const { op_import_sync, op_path_to_url } = Deno.core.ops;
+
+globalThis.onunhandledrejection = (...args) => {
+  console.error("unexpected call", args);
+};
+globalThis.onrejectionhandled = (...args) => {
+  console.error("unexpected call", args);
+};
+
+assertThrows(
+  () => {
+    op_import_sync(
+      op_path_to_url("./integration/import_sync_throw/module.mjs"),
+    );
+  },
+  Error,
+  "this is a test",
+);
diff --git a/testing/integration/import_sync_throw/module.mjs b/testing/integration/import_sync_throw/module.mjs
new file mode 100644
index 000000000..b15651360
--- /dev/null
+++ b/testing/integration/import_sync_throw/module.mjs
@@ -0,0 +1 @@
+throw new Error("this is a test");
diff --git a/testing/lib.rs b/testing/lib.rs
index 6673a2113..6e783dd38 100644
--- a/testing/lib.rs
+++ b/testing/lib.rs
@@ -77,6 +77,7 @@ integration_test!(
   error_get_script_name_or_source_url,
   import_sync,
   import_sync_existing,
+  import_sync_throw,
   main_module_handler,
   module_types,
   pending_unref_op_tla,