Fix two undefined-behavior issues
Fixes https://github.com/harfbuzz/harfbuzz/issues/761 Fixes https://github.com/harfbuzz/harfbuzz/issues/762
Showing
想要评论请 注册 或 登录
Fixes https://github.com/harfbuzz/harfbuzz/issues/761 Fixes https://github.com/harfbuzz/harfbuzz/issues/762