cf0c42c2ca
When generating equality signatures for arrays with zero-size ASPECIAL
elements (e.g., [3]struct{_ [0]float64}), the compiler crashed with
a divide by zero error when computing the loop unroll factor.
Skip comparison code generation for zero-size elements since they
need no comparison.
Fixes #77303
Change-Id: Ib432cfece22b1cb714de4f0a0b0d1a2d89bb0d33
Reviewed-on: https://go-review.googlesource.com/c/go/+/738841
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
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