gatsby: Gatsby@2.11.0 Build failure (JavaScript heap out of memory)

Description

Gatsby 2.11 breaks site build. I’m guessing it’s the new functionality around building node_modules as well as the site (#14111).

i was updating dependencies on master when build started breaking. I’ve updated to 2.10.5 on an update branch with no troubles but as soon as I move Gatsby to 2.11 the build breaks.

Steps to reproduce

1. Clone master or update branches from https://github.com/moonmeister/moonmeister.net
2. update gatsby dep to gatsby@2.11.0
3. run build => see breakage.

Expected result

build should be successful.

Actual result

[BABEL] Note: The code generator has deoptimised the styling of /home/ajmoon/code/moonmeister/moonmeister.net/node_modules/netlify-cms-app/dist/netlify-cms-app.js as it
⠦ Building production JavaScript and CSS bundles

<--- Last few GCs --->

[19712:0x2dbca30]    45370 ms: Scavenge 1338.2 (1423.9) -> 1337.3 (1423.9) MB, 2.9 / 0.0 ms  (average mu = 0.163, current mu = 0.102) allocation failure 
[19712:0x2dbca30]    45374 ms: Scavenge 1338.4 (1423.9) -> 1337.5 (1423.9) MB, 2.8 / 0.0 ms  (average mu = 0.163, current mu = 0.102) allocation failure 
[19712:0x2dbca30]    45378 ms: Scavenge 1338.6 (1423.9) -> 1337.7 (1424.4) MB, 2.6 / 0.0 ms  (average mu = 0.163, current mu = 0.102) allocation failure 


<--- JS stacktrace --->

==== JS stack trace =========================================

    0: ExitFrame [pc: 0x34eb54adbe1d]
    1: StubFrame [pc: 0x34eb54a875c2]
Security context: 0x2caa7a21e6e9 <JSObject>
    2: /* anonymous */(aka /* anonymous */) [0x23804dd52ac9] [/home/ajmoon/code/moonmeister/moonmeister.net/node_modules/@babel/core/lib/transformation/file/merge-map.js:~155] [pc=0x34eb5534b963](this=0x01389b5022b1 <null>,m=0x1c2e6adbae29 <Object map = 0x11c6eb590b11>)
    3: arguments adaptor frame: 3->1
    4: forEach...

FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory
 1: 0x8dc510 node::Abort() [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
 2: 0x8dc55c  [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
 3: 0xad9b5e v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
 4: 0xad9d94 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
 5: 0xec7bf2  [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
 6: 0xec7cf8 v8::internal::Heap::CheckIneffectiveMarkCompact(unsigned long, double) [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
 7: 0xed3dd2 v8::internal::Heap::PerformGarbageCollection(v8::internal::GarbageCollector, v8::GCCallbackFlags) [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
 8: 0xed4704 v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
 9: 0xed7371 v8::internal::Heap::AllocateRawWithRetryOrFail(int, v8::internal::AllocationSpace, v8::internal::AllocationAlignment) [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
10: 0xea07f4 v8::internal::Factory::NewFillerObject(int, bool, v8::internal::AllocationSpace) [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
11: 0x114018e v8::internal::Runtime_AllocateInNewSpace(int, v8::internal::Object**, v8::internal::Isolate*) [/home/ajmoon/.nvm/versions/node/v10.15.3/bin/node]
12: 0x34eb54adbe1d 
Aborted (core dumped)
error Command failed with exit code 134.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

Environment

  System:
    OS: Linux 5.0 Ubuntu 19.04 (Disco Dingo)
    CPU: (8) x64 Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
    Shell: 5.0.3 - /bin/bash
  Binaries:
    Node: 10.15.3 - ~/.nvm/versions/node/v10.15.3/bin/node
    Yarn: 1.15.2 - ~/.nvm/versions/node/v10.15.3/bin/yarn
    npm: 6.9.0 - ~/.nvm/versions/node/v10.15.3/bin/npm
  Browsers:
    Chrome: 75.0.3770.100
    Firefox: 67.0.4
  npmPackages:
    gatsby: 2.11.0 => 2.11.0 
    gatsby-image: ^2.0.34 => 2.2.3 
    gatsby-plugin-eslint: ^2.0.4 => 2.0.5 
    gatsby-plugin-manifest: ^2.0.24 => 2.2.0 
    gatsby-plugin-netlify: ^2.0.13 => 2.1.0 
    gatsby-plugin-netlify-cms: ^4.1.0 => 4.1.0 
    gatsby-plugin-offline: ^2.0.25 => 2.2.0 
    gatsby-plugin-react-helmet: ^3.0.10 => 3.1.0 
    gatsby-plugin-robots-txt: ^1.4.0 => 1.4.0 
    gatsby-plugin-sass: ^2.0.11 => 2.1.0 
    gatsby-plugin-sharp: ^2.0.30 => 2.2.1 
    gatsby-plugin-sitemap: ^2.0.11 => 2.2.0 
    gatsby-remark-images: ^3.0.10 => 3.1.2 
    gatsby-remark-relative-images: ^0.2.2 => 0.2.2 
    gatsby-source-filesystem: ^2.0.27 => 2.1.1 
    gatsby-transformer-remark: ^2.3.8 => 2.5.0 
    gatsby-transformer-sharp: ^2.1.17 => 2.2.0 
  npmGlobalPackages:
    gatsby-cli: 2.7.2
    gatsby-dev-cli: 2.5.0