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Write UI tests, tweak message

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This commit is contained in:
5225225
2022-01-27 22:22:33 +00:00
parent 7f24778102
commit ec3b711a4b
4 changed files with 254 additions and 3 deletions
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5
compiler/rustc_parse/src/parser/expr.rs
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@@ -1738,11 +1738,10 @@ impl<'a> Parser<'a> {
.help("valid widths are 8, 16, 32, 64 and 128")
.emit();
} else if let Some(fixed) = fix_base_capitalisation(suf) {
let msg = format!("invalid suffix `{}` for number literal", suf);
let msg = "invalid base prefix for number literal";
self.struct_span_err(span, &msg)
.span_label(span, format!("invalid suffix `{}`", suf))
.help("base prefixes (`0xff`, `0b1010`, `0o755`) are lowercase")
.note("base prefixes (`0xff`, `0b1010`, `0o755`) are lowercase")
.span_suggestion(
span,
"try making the prefix lowercase",