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| author | Ian Lance Taylor <iant@golang.org> | 2021-07-30 14:28:58 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2021-08-12 20:23:07 -0700 |
| commit | c5b21c3f4c17b0649155035d2f9aa97b2da8a813 (patch) | |
| tree | c6d3a68b503ba5b16182acbb958e3e5dbc95a43b /libgo/go/strings/builder.go | |
| parent | 72be20e20299ec57b4bc9ba03d5b7d6bf10e97cc (diff) | |
| download | gcc-c5b21c3f4c17b0649155035d2f9aa97b2da8a813.zip gcc-c5b21c3f4c17b0649155035d2f9aa97b2da8a813.tar.gz gcc-c5b21c3f4c17b0649155035d2f9aa97b2da8a813.tar.bz2 | |
libgo: update to Go1.17rc2
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/341629
Diffstat (limited to 'libgo/go/strings/builder.go')
| -rw-r--r-- | libgo/go/strings/builder.go | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libgo/go/strings/builder.go b/libgo/go/strings/builder.go index 6ff151d..547e52e84 100644 --- a/libgo/go/strings/builder.go +++ b/libgo/go/strings/builder.go @@ -103,7 +103,8 @@ func (b *Builder) WriteByte(c byte) error { // It returns the length of r and a nil error. func (b *Builder) WriteRune(r rune) (int, error) { b.copyCheck() - if r < utf8.RuneSelf { + // Compare as uint32 to correctly handle negative runes. + if uint32(r) < utf8.RuneSelf { b.buf = append(b.buf, byte(r)) return 1, nil } |