Description of problem:

libosinfo fails to build with vala 0.36.1.39-72bb2, it builds fine with vala 0.34.7.

g-ir-scanner: Libosinfo: warning: 12 warnings suppressed (use --warn-all to see them)
  GICOMP   Libosinfo-1.0.gir
  GEN      libosinfo-1.0.vapi
Libosinfo-1.0.gir:7056.5-7056.4: error: bitfield `ProductForeachFlag' has no members
    </bitfield>
    
Generation failed: 1 error(s), 0 warning(s)
Makefile:1398: recipe for target 'libosinfo-1.0.vapi' failed


Version-Release number of selected component (if applicable):


How reproducible:

I am using jhbuild to build gnome, jhbuild build. With vala built with jhbuild it always fails with same error trying to generate vapi file.

Steps to Reproduce:
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Actual results:


Expected results:


Additional info: