[gjs] (32 commits) Non-fast-forward update to branch wip/ptomato/mozjs38

[Philip Chimento <pchimento src gnome org>]

The branch 'wip/ptomato/mozjs38' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  cda8ea9... gerror: Root define_error_properties()
  0e0e9f9... js: Set IMPLEMENTS_BARRIERS flag on traced classes
  ad27c32... js: Be more pedantic about defining DEBUG
  dad811d... tests: Fix double-declared variable
  72986b3... minijasmine: Unref context on error
  8ab245f... WIP - refactor keep-alive
  4a19b11... build: Build with mozjs38
  d361934... js: AutoValueVector's [] operator is rooted
  14b3279... js: Adapt to new JS_NewObject() API
  7b6fb1f... js: Adapt to new JS_DefinePropertyById() API
  f28ae2b... js: Rename JS_CallHeapFooTracer()
  44aab7d... js: Discontinue JSClass stubs
  4d0f498... js: Adapt to new JS_SetErrorReporter() API
  9bedeba... constructor-proxy: Adapt to new js::DirectProxyHandler API
  3e178ae... runtime: Adapt to new JSFinalizeCallback
  e95df70... WIP - Adapt to new mozilla::Maybe API
  1fa4453... WIP - Adapt to new signature of resolve operation
  95824a6... WIP - js: Remove JSCLASS_NEW_RESOLVE where not used
  749c4ce... WIP - Use PersistentRooted in GjsCallbackTrampoline
  55a74df... WIP - object.cpp weak pointer callback
  e76916f... WIP - Switch to new JSClass.enumerate
  ad63fe1... WIP - Adapt to new JS::Heap API
  55ca645... WIP - mozjs38

Commits added to the branch:

  f993a3a... installed-tests: Fix script test Exec line (*)
  880c623... installed-tests: Prepend pkglibdir to library path (*)
  8d85c94... dynamic class: Check if prototype is NULL (*)
  d3c5225... fundamental: Fix crash with subclassed fundamental with no  (*)
  ad5e159... Add support for write barriers to classes with a custom tra (*)
  fdb7fbd... Mark that all our JSClasses support write barriers (*)
  a589c76... build: Update code coverage ignore patterns (*)
  8a9fa66... release: Prepare for 1.47.4 (*)
  c38e983... build: Post-release version bump (*)
  f5a7683... gerror: Root define_error_properties()
  7ac42c9... js: Set IMPLEMENTS_BARRIERS flag on fundamental
  e57a82c... js: Be more pedantic about defining DEBUG
  db27d99... tests: Fix double-declared variable
  58f7580... minijasmine: Unref context on error
  b8cdd55... js: Remove JSCLASS_NEW_RESOLVE where not used
  331733c... js: Adapt to upcoming JS::Heap API
  b911fcf... WIP - refactor keep-alive
  bd7081d... build: Build with mozjs38
  0d4bf24... js: AutoValueVector's [] operator is rooted
  ae977d3... js: Adapt to new JS_NewObject() API
  8a94165... js: Adapt to new JS_DefinePropertyById() API
  414e2b9... js: Rename JS_CallHeapFooTracer()
  739c5e0... js: Discontinue JSClass stubs
  5453076... js: Adapt to new JS_SetErrorReporter() API
  f711cc2... constructor-proxy: Adapt to new js::DirectProxyHandler API
  e9471d7... runtime: Adapt to new JSFinalizeCallback
  ea63742... WIP - Adapt to new mozilla::Maybe API
  2dfa831... WIP - Adapt to new signature of resolve operation
  716e142... WIP - Use PersistentRooted in GjsCallbackTrampoline
  f586cb3... WIP - object.cpp weak pointer callback
  a607773... WIP - Switch to new JSClass.enumerate
  d9400c7... WIP - mozjs38

(*) This commit already existed in another branch; no separate mail sent