godebug_decoratemappings_124.txt

     1  env GO111MODULE=on
     2  
     3  # Go 1.24 module should disable decoratemappings.
     4  go list -f '{{.Module.GoVersion}} {{.DefaultGODEBUG}}'
     5  stdout decoratemappings=0
     6  
     7  [!GOOS:linux] skip
     8  [short] skip
     9  
    10  # Programs in Go 1.24 module should never see annotations. This ensures that
    11  # the runtime has not overridden the default.
    12  go run .
    13  
    14  -- go.mod --
    15  go 1.24
    16  module m
    17  
    18  -- main.go --
    19  package main
    20  
    21  import (
    22  	"log"
    23  	"os"
    24  	"strings"
    25  )
    26  
    27  func main() {
    28  	b, err := os.ReadFile("/proc/self/maps")
    29  	if err != nil {
    30  		log.Fatalf("Error reading: %v", err)
    31  	}
    32  
    33  	if strings.Contains(string(b), "[anon: Go:") {
    34  		log.Printf("/proc/self/maps:\n%s", string(b))
    35  		log.Fatalf("/proc/self/maps contains Go annotation")
    36  	}
    37  }
    38
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