27bc723b51
Regalloc uses loop depths - make sure they are initialized! Test to make sure we aren't pushing spills into loops. This fixes a generated-code performance bug introduced with the better spill placement change: https://go-review.googlesource.com/c/34822/ Update #19595 Change-Id: Ib9f0da6fb588503518847d7aab51e569fd3fa61e Reviewed-on: https://go-review.googlesource.com/38434 Reviewed-by: David Chase <drchase@google.com>
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