Emit line table entries for closure setup instructions. #73326
Merged
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Currently the Swift compiler makes these instructions with SILLocations marked as autgenerated. While this allows for somewhat smoother stepping in some cases, it can also make some debugging tasks harder due to missing source location information, for example, when attributing memory allocations.
This patch makes these locations available again, based on that a debug info consumer could consider filtering them out by recognizing that a source location is on the opening
{
of a closure, but inside the scope of the function the closure is defined in.rdar://127095833