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cmd/cgo: better handling for '.' in pkgpath for gccgo

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Update gccgoPkgpathToSymbolNew() to bring it into conformance
with the way that gccgo now handles packagepaths with embedded
dots (see CL 200838). See also https://gcc.gnu.org/PR61880, a
related bug.

Updates #35623.

Change-Id: I32f064320b9af387fc17771530c745a9e3003c20
Reviewed-on: https://go-review.googlesource.com/c/go/+/207957
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Than McIntosh 2019-11-19 10:09:28 -05:00
parent e0306c1d62
commit 2933e938bf
1 changed files with 3 additions and 1 deletions
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4
src/cmd/cgo/out.go
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@ -1313,8 +1313,10 @@ func gccgoPkgpathToSymbolNew(ppath string) string {
for _, c := range []byte(ppath) {
switch {
case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z',
'0' <= c && c <= '9', c == '_', c == '.':
'0' <= c && c <= '9', c == '_':
bsl = append(bsl, c)
case c == '.':
bsl = append(bsl, ".x2e"...)
default:
changed = true
encbytes := []byte(fmt.Sprintf("..z%02x", c))