Prune invalid ignore-mode-* directives

These are only valid for coverage test modes.

Author: jieyouxu

src/tools/compiletest/src/command-list.rs

@@ -64,23 +64,8 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[
 "ignore-loongarch64",
 "ignore-macabi",
 "ignore-macos",
-"ignore-mode-assembly",
-"ignore-mode-codegen",
-"ignore-mode-codegen-units",
 "ignore-mode-coverage-map",
 "ignore-mode-coverage-run",
-"ignore-mode-crashes",
-"ignore-mode-debuginfo",
-"ignore-mode-incremental",
-"ignore-mode-js-doc-test",
-"ignore-mode-mir-opt",
-"ignore-mode-pretty",
-"ignore-mode-run-make",
-"ignore-mode-run-pass-valgrind",
-"ignore-mode-rustdoc",
-"ignore-mode-rustdoc-json",
-"ignore-mode-ui",
-"ignore-mode-ui-fulldeps",
 "ignore-msp430",
 "ignore-msvc",
 "ignore-musl",

src/tools/compiletest/src/header/cfg.rs

@@ -1,6 +1,6 @@
 use std::collections::HashSet;
 
-usecrate::common::{CompareMode,Config,Debugger,Mode};
+usecrate::common::{CompareMode,Config,Debugger};
 usecrate::header::IgnoreDecision;
 
 constEXTRA_ARCHS:&[&str] = &["spirv"];
@@ -222,7 +222,7 @@ pub(super) fn parse_cfg_name_directive<'a>(
  name: format!("mode-{}", config.mode.to_str()),
  allowed_names:ContainsPrefixed{
  prefix:"mode-",
- inner:Mode::STR_VARIANTS,
+ inner:["coverage-run","coverage-map"],
 },
  message:"when the test mode is {name}",
 }

src/tools/compiletest/src/header/tests.rs

@@ -1,6 +1,5 @@
 use std::io::Read;
 use std::path::Path;
-use std::str::FromStr;
 
 usesuper::iter_header;
 usecrate::common::{Config,Debugger,Mode};
@@ -574,14 +573,12 @@ fn families() {
 
 #[test]
 fnignore_mode(){
-for&mode inMode::STR_VARIANTS{
+for mode in["coverage-map","coverage-run"]{
 // Indicate profiler support so that "coverage-run" tests aren't skipped.
 let config:Config = cfg().mode(mode).profiler_support(true).build();
 let other = if mode == "coverage-run"{"coverage-map"}else{"coverage-run"};
 
 assert_ne!(mode, other);
-assert_eq!(config.mode,Mode::from_str(mode).unwrap());
-assert_ne!(config.mode,Mode::from_str(other).unwrap());
 
 assert!(check_ignore(&config,&format!("//@ ignore-mode-{mode}")));
 assert!(!check_ignore(&config,&format!("//@ ignore-mode-{other}")));