update and add a few tests

2023-03-06 07:10:23 +00:00
parent 8ff3903643
commit 76d1f93896
11 changed files with 48 additions and 3 deletions
--- a/compiler/rustc_ast/src/ast.rs
+++ b/compiler/rustc_ast/src/ast.rs
@@ -1814,7 +1814,7 @@ pub enum LitKind {
    /// A byte string (`b"foo"`). Not stored as a symbol because it might be
    /// non-utf8, and symbols only allow utf8 strings.
    ByteStr(Lrc<[u8]>, StrStyle),
-    /// A C String (`c"foo"`).
+    /// A C String (`c"foo"`). Guaranteed only have `\0` in the end.
    CStr(Lrc<[u8]>, StrStyle),
    /// A byte char (`b'f'`).
    Byte(u8),