[Bug 1782122] [NEW] [SRU] Update vala in bionic to 0.40.8

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Rico Tzschichholz (ricotz):

The 0.40.x series is maintained as LTS release and will receive further
bug fix releases in the future. See https://wiki.gnome.org/Projects/Vala

Upstream changes since 0.40.4:

Vala 0.40.8
===========
 * Various improvements and bug fixes:
  - Fix links in the Manual
  - libvaladoc: Change link to Valadoc wiki page for HTML doclet
  - valadoc: Use HTML5 doctype in HTML doclet
  - codegen: Let methods return -1 on error by default if possible [#526]
  - Allow TypeModule subclasses as parameter-type in module-init-method [#648]
  - girparser: Allow changing the type of constants using metadata [#643]
  - girwriter: Add boolean GIR visible attribute to allow skipping symbols
  - vala: Report error for error-domains without any code
  - parser: Accept "empty" enums/error-domains [#253]
  - codewriter: Output bodies of code-blocks if in VAPIGEN mode [#253]

 * Bindings:
  - gobject-2.0: Add lower_case_csuffix attributes to Type* symbols
  - gdk-3.0,gtk+-3.0: Update to 3.23.0+df045423
  - gio-2.0: Add custom IOError.from_errno() to make it work as expected [#253]
  - gtk+-4.0: Update to 3.94.0+bf5f27c6
  - gstreamer-rtsp-server-1.0: Update from 1.14+ git master [#653]

Vala 0.40.7
===========
 * Various improvements and bug fixes:
  - Update bugtracker links to https://gitlab.gnome.org/GNOME/vala/issues
  - codegen:
    + Handle delegate_target attribute of fields [#520]
    + Free generic elements of glib collections [#694765]
    + Fix warning for source_funcs parameter of g_source_new()
    + Actually treat GLib.Source as compact class
    + Custom abstract methods of GLib.Source are handled differently [#641]
    + Consistently use gpointer for delegate targets
    + Unify some delegate-type check patterns
    + Use default_init instead of base_init when registering interfaces
      [#699550]
  - girparser: Add support for bool delegate_target [#520]
  - girwriter:
    + Output deprecated="1"
    + construct-only properties don't have a setter method
    + Don't write any custom attributes [#608]
  - valadoc: Fix TreeBuilder.create_array() for stacked Arrays

 * Bindings:
  - glib-2.0:
    + Do not mark simple-type out-parameters as nullable [#634]
    + Make Source.attach() use the default MainContext by default
    + Make Bytes.slice() use the memory-efficient Bytes.from_bytes() [#638]
    + Fix Bytes.with_free_func()
  - gio-2.0:
    + Mark ActionEntry.parameter_type/state fields as nullable [#632]
    + Delegate fields of DBus*VTable do not have implicit target fields
    + Apply delegate_target = false on ActionEntry callbacks and make them weak
      [#630]
    + Add default to all io_priority parameters
  - gstreamer: Cherry-pick some fixes from 0.42, add gst-editing-services-1.0
  - gtk+-3.0: Update to 3.22.30+9ac7f906
  - gtk+-4.0: Update to 3.93.0+29fee2e8
  - webkit2gtk-4.0: Update to 2.21.4
  - Update GIR-based bindings

Vala 0.40.6
===========
 * Regression fix:
  - codegen: Avoid critical for array in-parameters with custom length-type
  - tests: Drop assert which is failing on big-endian archs

Vala 0.40.5
===========
 * Various improvements and bug fixes:
  - Warn if --gir is used without --library [#708693]
  - Report an error if rank attribute is required but was not found [#660991]
  - scanner: Accept \R and \N escape sequences in regex literals [#749576]
  - scanner: Accept backreferences \1 through \99 in regex literals [#728574]
  - codegen:
    + Avoid critical in get_basic_type_info() when there is no signature
      [#729517]
    + Fix serializing multidimensional arrays [#735437]
    + Guard get_default_ref_sink_function() against null base-class
    + Respect cname ccode-attribute of lockable fields
    + Fix casting of length for "ref" array parameters
  - codewriter: Add 'new' to symbols if needed to match the original source
    [#614686]
  - girparser: Deal with missing "name" attribute by falling back on "c:type"
  - girwriter: Drop errornous indent
  - girwriter: Properly output variadic methods and use introspectable="0"
  - genie: Add support for the \v escape character [#664689]
  - genie: Add support for the \uXXXX escape sequence

 * Bindings:
  - glib-2.0: Fix IConv.iconv() [#634753]
  - gobject-2.0: Make constructor of ParamSpecBoxed public
  - gstreamer: Cherry-pick some fixes from 0.42
  - gtk+-3.0: Update to 3.22.30+21fddc39
  - gtk+-4.0: Update to 3.93.0+3a860719
  - javascriptcoregtk-4.0: buffer of String.get_utf8_cstring() is not "ref"
    [#788113]
  - posix: Add missing cname = "int" to Posix.Signal enum
  - sqlite3: Add additional constants for flags of Database.open_v2() [#795627]
  - webkit2gtk-4.0: Cherry-pick some fixes from 0.42

[Impact] 
 * Affects all valac reverse-dependency on buildtime

[Test Case]
 * Mass-rebuild of rdepends can be found here
   https://launchpad.net/~ricotz/+archive/ubuntu/red/+packages?batch=200&memo=0&start=0
   Occurring failures are not vala compiler related.

[Regression Potential] 
 * Not immediately while it requires an rdepend rebuild to manifest.

[Other Info]
 * Regular upstream maintenance releases are likely to happen every 1-2 months

** Affects: vala (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: upgrade-software-version
-- 
[SRU] Update vala in bionic to 0.40.8
https://bugs.launchpad.net/bugs/1782122
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