Ionic build for Browser core dumps

I have see this a couple of times but more building for android (I think) this is now core dumping building for browser.

Removed and added browser plugin back in.
browser@~4.1.0
Removed and added Node Models back in.

I get this

Running app-scripts build: --prod --platform browser --target cordova
[09:46:17] build prod started …
[09:46:17] clean started …
[09:46:17] clean finished in 2 ms
[09:46:17] copy started …
[09:46:17] deeplinks started …
[09:46:17] deeplinks finished in 61 ms
[09:46:17] ngc started …
[09:46:54] ngc finished in 37.13 s
[09:46:54] preprocess started …
[09:46:54] preprocess finished in 1 ms
[09:46:54] webpack started …
Platform is browser
no

[09:46:56]  copy finished in 38.53 s

<--- Last few GCs --->

 131239 ms: Mark-sweep 1353.7 (1434.6) -> 1353.6 (1434.6) MB, 1134.2 / 0.0 ms [allocation failure] [scavenge might not succeed].
 132414 ms: Mark-sweep 1353.7 (1434.6) -> 1353.7 (1434.6) MB, 1175.4 / 0.0 ms [allocation failure] [scavenge might not succeed].
 133595 ms: Mark-sweep 1353.7 (1434.6) -> 1353.7 (1434.6) MB, 1180.8 / 0.0 ms [allocation failure] [scavenge might not succeed].


<--- JS stacktrace --->
Cannot get stack trace in GC.
FATAL ERROR: MarkCompactCollector: semi-space copy, fallback in old gen Allocation failed - JavaScript heap out of memory
1: node::Abort() [ionic]
2: 0x7d017c [ionic]
3: v8::Utils::ReportApiFailure(char const*, char const*) [ionic]
4: v8::internal::V8::FatalProcessOutOfMemory(char const*, bool) [ionic]
5: v8::internal::MarkCompactCollector::EvacuateNewSpaceVisitor::Visit(v8::internal::HeapObject*) [ionic]
6: v8::internal::MarkCompactCollector::VisitLiveObjects(v8::internal::MemoryChunk*, v8::internal::MarkCompactCollector::HeapObjectVisitor*, v8::internal::MarkCompactCollector::IterationMode) [ionic]
7: v8::internal::PageParallelJob<v8::internal::EvacuationJobTraits>::Task::RunInternal() [ionic]
8: v8::internal::MarkCompactCollector::EvacuatePagesInParallel() [ionic]
9: v8::internal::MarkCompactCollector::EvacuateNewSpaceAndCandidates() [ionic]
10: v8::internal::MarkCompactCollector::CollectGarbage() [ionic]
11: v8::internal::Heap::MarkCompact() [ionic]
12: v8::internal::Heap::PerformGarbageCollection(v8::internal::GarbageCollector, v8::GCCallbackFlags) [ionic]
13: v8::internal::Heap::CollectGarbage(v8::internal::GarbageCollector, char const*, char const*, v8::GCCallbackFlags) [ionic]
14: v8::internal::Factory::NewFillerObject(int, bool, v8::internal::AllocationSpace) [ionic]
15: v8::internal::Runtime_AllocateInTargetSpace(int, v8::internal::Object**, v8::internal::Isolate*) [ionic]
16: 0xf2914b079a7
Aborted (core dumped)

I now have the same thing in building android for prod. Non prod works fine.
Remove and add android, no change.
Removed android, deleted the plugin folder, added android back and let it pull in the plugins.
Still same things.
it has to be an ionic related thing, but not sure what else it could be.

Was able to get things to build using
ionic cordova build browser --aot --minifyjs --minifycss