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cmd/cgo: for C bitfields use only valid Go integer types

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Fixes #22958

Change-Id: Ib078a5f6e1105a2afca77c6d9a05f65ddf5d9010
Reviewed-on: https://go-review.googlesource.com/81435
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
This commit is contained in:
Ian Lance Taylor 2017-12-01 06:57:37 -08:00
parent ea0d2c14f8
commit bfa7a558bf
2 changed files with 27 additions and 1 deletions
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4
src/cmd/cgo/gcc.go
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@ -2388,7 +2388,9 @@ func (c *typeConv) Struct(dt *dwarf.StructType, pos token.Pos) (expr *ast.Struct
size := t.Size
talign := t.Align
if f.BitSize > 0 {
if f.BitSize%8 != 0 {
switch f.BitSize {
case 8, 16, 32, 64:
default:
continue
}
size = f.BitSize / 8