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cmd/compile: repaired loop-finder to handle trickier nesting
The loop-A-encloses-loop-C code did not properly handle the case where really C was already known to be enclosed by B, and A was nearest-outer to B, not C. Fixes #19217. Change-Id: I755dd768e823cb707abdc5302fed39c11cdb34d4 Reviewed-on: https://go-review.googlesource.com/37340 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
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// compile | ||
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// Copyright 2017 The Go Authors. All rights reserved. | ||
// Use of this source code is governed by a BSD-style | ||
// license that can be found in the LICENSE file. | ||
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package foo | ||
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import ( | ||
"encoding/binary" | ||
) | ||
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type DbBuilder struct { | ||
arr []int | ||
} | ||
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func (bld *DbBuilder) Finish() error { | ||
defer bld.Finish() | ||
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var hash []byte | ||
for _, ixw := range bld.arr { | ||
for { | ||
if ixw != 0 { | ||
panic("ixw != 0") | ||
} | ||
ixw-- | ||
insertOne: | ||
for { | ||
for i := 0; i < 1; i++ { | ||
if binary.LittleEndian.Uint16(hash[i:]) == 0 { | ||
break insertOne | ||
} | ||
} | ||
} | ||
} | ||
} | ||
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return nil | ||
} |