Memory leak

[fdietze]

After lots of reloads, the process crashes with out of memory.

<--- Last few GCs --->

[1858112:0x3f5b0d0] 21653016 ms: Scavenge 2037.4 (2066.3) -> 2037.1 (2076.6) MB, 8.7 / 0.0 ms  (average mu = 0.391, current mu = 0.218) allocation failure
[1858112:0x3f5b0d0] 21653572 ms: Mark-sweep (reduce) 2040.8 (2076.6) -> 2040.6 (2065.8) MB, 124.5 / 0.0 ms  (+ 332.3 ms in 56 steps since start of marking, biggest step 13.6 ms, walltime since start of marking 470 ms) (average mu = 0.326, current mu = 0.2

<--- JS stacktrace --->

FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory
 1: 0xa67a18 node::Abort() [node]
 2: 0x95bb2e  [node]
 3: 0xc74212 v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [node]
 4: 0xc745a7 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [node]
 5: 0xe31b45  [node]
 6: 0xe47342  [node]
 7: 0xe4736c v8::internal::Heap::CollectAllGarbage(int, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [node]
 8: 0xdd7740 v8::internal::StackGuard::HandleInterrupts() [node]
 9: 0x11a035a v8::internal::Runtime_StackGuard(int, unsigned long*, v8::internal::Isolate*) [node]
10: 0x15986b9  [node]