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ba3f568988
This change improves escape analysis by attempting to deduce static values for the len and cap parameters, allowing allocations to be made on the stack. Change-Id: I1161019aed9f60cf2c2fe4d405da94ad415231ac GitHub-Last-Rev: d78c1b4ca55fa53282e665009f689d0b013f1434 GitHub-Pull-Request: golang/go#71693 Reviewed-on: https://go-review.googlesource.com/c/go/+/649035 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Keith Randall <khr@golang.org> Auto-Submit: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com>
18 lines
536 B
Go
18 lines
536 B
Go
//errorcheck -0 -m -m
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// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package p
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func f() { // ERROR ""
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n, m := 100, 200
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_ = make([]byte, 1<<17) // ERROR "too large for stack" ""
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_ = make([]byte, 100, 1<<17) // ERROR "too large for stack" ""
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_ = make([]byte, n, 1<<17) // ERROR "too large for stack" ""
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_ = make([]byte, n) // ERROR "does not escape"
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_ = make([]byte, 100, m) // ERROR "does not escape"
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}
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