40a6e2dae5
Currently, in -N mode we skip the tighten pass. However, for very large functions, many values live across blocks can cause pathological behavior in the register allocator, which could use a huge amount of memory or cause the program to hang. For functions that large, debugging using a debugger is unlikely to be very useful (the function is probably generated anyway). So we do a little optimization to make fewer values live across blocks and make it easier for the compiler. Fixes #52180. Change-Id: I355fe31bb87ea5d0870bb52dd06405dd5d791dab Reviewed-on: https://go-review.googlesource.com/c/go/+/475339 Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Cherry Mui <cherryyz@google.com> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Keith Randall <khr@golang.org> |
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SECURITY.md |
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