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cmd/compile/internal/gc: handle errors from *bio.Writer #71621

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cmd/compile/internal/gc: handle errors from *bio.Writer #71621

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4 changes: 3 additions & 1 deletion src/cmd/compile/internal/gc/export.go
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Original file line number Diff line number Diff line change
Expand Up @@ -47,5 +47,7 @@ func dumpasmhdr() {
}
}

b.Close()
if err := b.Close(); err != nil {
base.Fatalf("%v", err)
}
}
8 changes: 7 additions & 1 deletion src/cmd/compile/internal/gc/obj.go
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ func dumpobj1(outfile string, mode int) {
fmt.Printf("can't create %s: %v\n", outfile, err)
base.ErrorExit()
}
defer bout.Close()

bout.WriteString("!<arch>\n")

if mode&modeCompilerObj != 0 {
Expand All @@ -70,6 +70,12 @@ func dumpobj1(outfile string, mode int) {
dumpLinkerObj(bout)
finishArchiveEntry(bout, start, "_go_.o")
}

if err := bout.Close(); err != nil {
base.FlushErrors()
fmt.Printf("error while writing to file %s: %v\n", outfile, err)
base.ErrorExit()
}
}

func printObjHeader(bout *bio.Writer) {
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