issue53600.go

     1  // run
     2  
     3  // Copyright 2022 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  package main
     8  
     9  import "math"
    10  
    11  func main() {
    12  	f()
    13  	g()
    14  	h()
    15  	j(math.MinInt64)
    16  }
    17  func f() {
    18  	for i := int64(math.MaxInt64); i <= math.MaxInt64; i++ {
    19  		if i < 0 {
    20  			println("done")
    21  			return
    22  		}
    23  		println(i, i < 0)
    24  	}
    25  }
    26  func g() {
    27  	for i := int64(math.MaxInt64) - 1; i <= math.MaxInt64; i++ {
    28  		if i < 0 {
    29  			println("done")
    30  			return
    31  		}
    32  		println(i, i < 0)
    33  	}
    34  }
    35  func h() {
    36  	for i := int64(math.MaxInt64) - 2; i <= math.MaxInt64; i += 2 {
    37  		if i < 0 {
    38  			println("done")
    39  			return
    40  		}
    41  		println(i, i < 0)
    42  	}
    43  }
    44  
    45  //go:noinline
    46  func j(i int64) {
    47  	for j := int64(math.MaxInt64); j <= i-1; j++ {
    48  		if j < 0 {
    49  			break
    50  		}
    51  		println(j)
    52  	}
    53  }
    54
View as plain text