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cmd/cgo: ignore vars with no name or type if they have a AttrSpecification

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Fixes #13344.

Change-Id: I33c6721fd33d144c85c87840ddf27ce15aa72328
Reviewed-on: https://go-review.googlesource.com/17151
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Minux Ma <minux@golang.org>
This commit is contained in:
Ian Lance Taylor 2015-11-20 13:53:18 -08:00 • committed by Russ Cox
parent 5951823853
commit 0417872809
2 changed files with 10 additions and 0 deletions
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5
src/cmd/cgo/gcc.go
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@ -491,6 +491,11 @@ func (p *Package) loadDWARF(f *File, names []*Name) {
name, _ := e.Val(dwarf.AttrName).(string)
typOff, _ := e.Val(dwarf.AttrType).(dwarf.Offset)
if name == "" || typOff == 0 {
if e.Val(dwarf.AttrSpecification) != nil {
// Since we are reading all the DWARF,
// assume we will see the variable elsewhere.
break
}
fatalf("malformed DWARF TagVariable entry")
}
if !strings.HasPrefix(name, "__cgo__") {