__ test(ecx, Immediate(kFailureTagMask));
__ j(zero, &failure_returned, not_taken);
+ ExternalReference pending_exception_address(Top::k_pending_exception_address);
+
+ // Check that there is no pending exception, otherwise we
+ // should have returned some failure value.
+ if (FLAG_debug_code) {
+ __ push(edx);
+ __ mov(edx, Operand::StaticVariable(
+ ExternalReference::the_hole_value_location()));
+ NearLabel okay;
+ __ cmp(edx, Operand::StaticVariable(pending_exception_address));
+ // Cannot use check here as it attempts to generate call into runtime.
+ __ j(equal, &okay);
+ __ int3();
+ __ bind(&okay);
+ __ pop(edx);
+ }
+
// Exit the JavaScript to C++ exit frame.
__ LeaveExitFrame(save_doubles_);
__ ret(0);
__ j(equal, throw_out_of_memory_exception);
// Retrieve the pending exception and clear the variable.
- ExternalReference pending_exception_address(Top::k_pending_exception_address);
__ mov(eax, Operand::StaticVariable(pending_exception_address));
__ mov(edx,
Operand::StaticVariable(ExternalReference::the_hole_value_location()));