4 files changed, 10 insertions, 8 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/ArrayBuffer.h b/Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
index 507a449bcd..94574ba837 100644
--- a/Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
+++ b/Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
@@ -141,13 +141,13 @@ static ByteBuffer numeric_to_raw_bytes(GlobalObject& global_object, Value value,
             swap(raw_bytes[i], raw_bytes[sizeof(UnderlyingBufferDataType) - 1 - i]);
     };
     if constexpr (IsSame<UnderlyingBufferDataType, float>) {
-        float raw_value = value.to_double(global_object);
+        float raw_value = MUST(value.to_double(global_object));
         ReadonlyBytes { &raw_value, sizeof(float) }.copy_to(raw_bytes);
         flip_if_needed();
         return raw_bytes;
     }
     if constexpr (IsSame<UnderlyingBufferDataType, double>) {
-        double raw_value = value.to_double(global_object);
+        double raw_value = MUST(value.to_double(global_object));
         ReadonlyBytes { &raw_value, sizeof(double) }.copy_to(raw_bytes);
         flip_if_needed();
         return raw_bytes;
diff --git a/Userland/Libraries/LibJS/Runtime/GeneratorObject.cpp b/Userland/Libraries/LibJS/Runtime/GeneratorObject.cpp
index 6e5c4fe8ee..59308d9323 100644
--- a/Userland/Libraries/LibJS/Runtime/GeneratorObject.cpp
+++ b/Userland/Libraries/LibJS/Runtime/GeneratorObject.cpp
@@ -59,8 +59,10 @@ Value GeneratorObject::next_impl(VM& vm, GlobalObject& global_object, Optional<V
     };
 
     auto generated_continuation = [&](Value value) -> Bytecode::BasicBlock const* {
-        if (value.is_object())
-            return reinterpret_cast<Bytecode::BasicBlock const*>(static_cast<u64>(TRY_OR_DISCARD(value.as_object().get("continuation")).to_double(global_object)));
+        if (value.is_object()) {
+            auto number_value = TRY_OR_DISCARD(value.as_object().get("continuation"));
+            return reinterpret_cast<Bytecode::BasicBlock const*>(static_cast<u64>(TRY_OR_DISCARD(number_value.to_double(global_object))));
+        }
         return nullptr;
     };
 
diff --git a/Userland/Libraries/LibJS/Runtime/Value.cpp b/Userland/Libraries/LibJS/Runtime/Value.cpp
index 2fc03b5483..025b853c81 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Value.cpp
@@ -559,11 +559,11 @@ ThrowCompletionOr<u64> Value::to_bigint_uint64(GlobalObject& global_object) cons
     return bigint->big_integer().to_u64();
 }
 
-double Value::to_double(GlobalObject& global_object) const
+ThrowCompletionOr<double> Value::to_double(GlobalObject& global_object) const
 {
     auto number = to_number(global_object);
-    if (global_object.vm().exception())
-        return {};
+    if (auto* exception = global_object.vm().exception())
+        return throw_completion(exception->value());
     return number.as_double();
 }
 
diff --git a/Userland/Libraries/LibJS/Runtime/Value.h b/Userland/Libraries/LibJS/Runtime/Value.h
index e155d34608..5cf3846741 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.h
+++ b/Userland/Libraries/LibJS/Runtime/Value.h
@@ -313,7 +313,7 @@ public:
     ThrowCompletionOr<BigInt*> to_bigint(GlobalObject&) const;
     ThrowCompletionOr<i64> to_bigint_int64(GlobalObject&) const;
     ThrowCompletionOr<u64> to_bigint_uint64(GlobalObject&) const;
-    double to_double(GlobalObject&) const;
+    ThrowCompletionOr<double> to_double(GlobalObject&) const;
     StringOrSymbol to_property_key(GlobalObject&) const;
     i32 to_i32(GlobalObject& global_object) const
     {