SILGen: Emit references to noncopyable global storage directly as a borrow. #73041
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…orrow. Later analyses are too conservative to remove a copy, but it should be fairly safe to elide the copy for noncopyable globals, since accesses are tightly scoped and dynamically checked, so consumes aren't possible, and borrows and inout accesses of mutable globals are dynamically guarded and not subject to exclusivity checks. rdar://114329759
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Later analyses are too conservative to remove a copy, but it should be fairly safe to elide the copy for noncopyable globals, since accesses are tightly scoped and dynamically checked, so consumes aren't possible, and borrows and inout accesses of mutable globals are dynamically guarded and not subject to exclusivity checks. rdar://114329759