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Go 1.9.2 的 bug about blog_comment HOT 2 OPEN

cch123 avatar cch123 commented on May 30, 2024
Go 1.9.2 的 bug

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Comments (2)

cch123 avatar cch123 commented on May 30, 2024 1

@herohenu ,你在啥环境运行的呀,按说之后的版本都修正了的
我在 mac 的 1.14.2 上跑这个是没问题的:

package main

import "runtime/debug"

type T struct {
  // >= 16 bytes to avoid tiny alloc.
  a, b int
}

func main() {
  debug.SetGCPercent(1)
  for i := 0; i < 100000; i++ {
    m := make(map[*T]struct{}, 0)
    for j := 0; j < 20; j++ {
      // During the call to mapassign_fast64, the key argument
      // was incorrectly treated as a uint64. If the stack was
      // scanned during that call, the only pointer to k was
      // missed, leading to *k being collected prematurely.
      k := new(T)
      m[k] = struct{}{}
    }
  }
}

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herohenu avatar herohenu commented on May 30, 2024

使用go 1.14.1 还是有这个问题 所以有没有根本的解决办法呢

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