Global split

[ahueck]

Change the layout of the global type descriptor:

• type_id, extent, and pointer to struct for further info (GlobalTypeInfoData).

GlobalTypeInfoData:

• Has name, layout info and pointer to members if any.
• layout info: compact array [num_member, type flag (e.g., struct, fwd declared), (offsets[num_member]), (array_sizes[num_member])]

[coveralls]

Pull Request Test Coverage Report for Build 20308776407

Details

• 147 of 149 (98.66%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 90.524%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
lib/runtime/AllocationTracking.cpp	3	5	60.0%

Totals
Change from base Build 20175431941:	0.1%
Covered Lines:	4872
Relevant Lines:	5382

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💛 - Coveralls