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| author | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
| commit | e252b51ccde010cbd2a146485d8045103cd99533 (patch) | |
| tree | e060f101cdc32bf5e520de8e5275db9d4236b74c /libgo/go/strings/builder.go | |
| parent | f10c7c4596dda99d2ee872c995ae4aeda65adbdf (diff) | |
| parent | 104c05c5284b7822d770ee51a7d91946c7e56d50 (diff) | |
| download | gcc-e252b51ccde010cbd2a146485d8045103cd99533.zip gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.gz gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.bz2 | |
Merge from trunk revision 104c05c5284b7822d770ee51a7d91946c7e56d50.
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 } |