67ad695416
In a future CL, I plan to change escape analysis to walk function literal bodies at the point they appear within the AST, rather than separately as their own standalone function declaration. This means escape analysis's AST-walking code will become reentrant. To make this easier to get right, this CL splits escape analysis's state into two separate types: one that holds all of the state shared across the entire batch, and another that holds only the state that's used within initFunc and walkFunc. Incidentally, this CL reveals that a bunch of logopt code was using e.curfn outside of the AST-walking code paths where it's actually set, so it was always nil. That code is in need of refactoring anyway, so I'll come back and figure out the correct values to pass later when I address that. Passes toolstash -cmp. Change-Id: I1d13f47d06f7583401afa1b53fcc5ee2adaea6c8 Reviewed-on: https://go-review.googlesource.com/c/go/+/280997 Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com> |
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