add lint for inline asm labels that look like binary

compiler/rustc_lint/src/lints.rs

@@ -2040,10 +2040,32 @@ pub struct UnitBindingsDiag {
 }
 
 #[derive(LintDiagnostic)]
-#[diag(lint_builtin_asm_labels)]
-#[help]
-#[note]
-pub struct BuiltinNamedAsmLabel;
+pub enum InvalidAsmLabel {
+    #[diag(lint_invalid_asm_label_named)]
+    #[help]
+    #[note]
+    Named {
+        #[note(lint_invalid_asm_label_no_span)]
+        missing_precise_span: bool,
+    },
+    #[diag(lint_invalid_asm_label_format_arg)]
+    #[help]
+    #[note(lint_note1)]
+    #[note(lint_note2)]
+    FormatArg {
+        #[note(lint_invalid_asm_label_no_span)]
+        missing_precise_span: bool,
+    },
+    #[diag(lint_invalid_asm_label_binary)]
+    #[note]
+    Binary {
+        #[note(lint_invalid_asm_label_no_span)]
+        missing_precise_span: bool,
+        // hack to get a label on the whole span, must match the emitted span
+        #[label]
+        span: Span,
+    },
+}
 
 #[derive(Subdiagnostic)]
 pub enum UnexpectedCfgCargoHelp {