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cmd/internal/ld: skip dwarf output if dsymutil no-ops

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Fixes #11994.

Change-Id: Icee6ffa6e3a9d15b68b4ae9b2716d65ecbdba73a
Reviewed-on: https://go-review.googlesource.com/16702
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tamir Duberstein 2015-11-07 19:30:25 -05:00 • committed by Ian Lance Taylor
parent 53d42fbead
commit bb20266c9d
1 changed files with 4 additions and 0 deletions
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4
src/cmd/link/internal/ld/lib.go
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@ -1171,6 +1171,10 @@ func hostlink() {
Ctxt.Cursym = nil
Exitf("%s: running dsymutil failed: %v\n%s", os.Args[0], err, out)
}
// Skip combining if `dsymutil` didn't generate a file. See #11994.
if _, err := os.Stat(dsym); os.IsNotExist(err) {
return
}
// For os.Rename to work reliably, must be in same directory as outfile.
combinedOutput := outfile + "~"
if err := machoCombineDwarf(outfile, dsym, combinedOutput); err != nil {