==4772== 365,776 bytes in 17,651 blocks are definitely lost in loss record 20,156 of 20,168
==4772==    at 0x4C2B3F8: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==4772==    by 0x7C2948E: js::ArgumentsObject::create(JSContext*, unsigned int, JSObject&) (Utility.h:166)
==4772==    by 0x7C2993C: js_GetArgsObject(JSContext*, js::StackFrame*) (jsfun.cpp:209)
==4772==    by 0x7C29B5F: js_GetArgsValue(JSContext*, js::StackFrame*, JS::Value*) (jsfun.cpp:120)
==4772==    by 0x7C65422: js::Interpret(JSContext*, js::StackFrame*, js::InterpMode) (jsinterp.cpp:4393)
==4772==    by 0x7C6DF25: js::InvokeKernel(JSContext*, js::CallArgs, js::MaybeConstruct) (jsinterp.cpp:647)
==4772==    by 0x7C28B3D: js_fun_apply(JSContext*, unsigned int, JS::Value*) (jsinterp.h:148)
==4772==    by 0x7C6DF62: js::InvokeKernel(JSContext*, js::CallArgs, js::MaybeConstruct) (jscntxtinlines.h:297)
==4772==    by 0x7C5C3F7: js::Interpret(JSContext*, js::StackFrame*, js::InterpMode) (jsinterp.cpp:3948)
==4772==    by 0x7C6DF25: js::InvokeKernel(JSContext*, js::CallArgs, js::MaybeConstruct) (jsinterp.cpp:647)
==4772==    by 0x7C28B3D: js_fun_apply(JSContext*, unsigned int, JS::Value*) (jsinterp.h:148)
==4772==    by 0x7C6DF62: js::InvokeKernel(JSContext*, js::CallArgs, js::MaybeConstruct) (jscntxtinlines.h:297)