[gjs] (14 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:

  caf5949... js: Use JS_NewObjectWithGivenProto
  e2e762c... js: Root IDs passed to JS_DefinePropertyById
  838d7e2... js: Use JS_Enumerate instead of iterator
  224d8e1... js: Discontinue JS_GetTypeName()
  5836049... closure: Use JS::Heap wrapper for closure object
  955ba71... WIP - refactor keep-alive
  3eaa082... WIP - mozjs38

Commits added to the branch:

  e5eb83d... coverage: Enable IonMonkey and BaselineJIT in coverage mode (*)
  f991932... build: Mute a warning (*)
  a2fdf35... js: Use JS_NewObjectWithGivenProto (*)
  1b0d5b0... js: Root IDs passed to JS_DefinePropertyById (*)
  03f4e89... js: Use JS_Enumerate instead of iterator (*)
  e7b1a4d... js: Discontinue JS_GetTypeName() (*)
  f9b7962... closure: Use JS::Heap wrapper for closure object (*)
  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
  6fd49fd... WIP - mozjs38

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