Test behavior of --help --invalid-flag

jamie-osec · jamie-osec · commit e834e6098728 · 2026-01-07T16:56:59.000Z
diff --git a/tests/run-make/rustc-help/rmake.rs b/tests/run-make/rustc-help/rmake.rs
@@ -45,4 +45,7 @@ fn main() {
         )
         .actual_text("(rustc -Whelp -Zhelp -Chelp --help)", &ordered_help)
         .run();
+
+    // Test that `rustc --help` does not suppress invalid flag errors
+    let help = bare_rustc().arg("--help --invalid-flag").run_fail().stdout_utf8();
 }

Original file line number	Diff line number	Diff line change
`@@ -45,4 +45,7 @@ fn main() {`
`45`	`45`	`)`
`46`	`46`	`.actual_text("(rustc -Whelp -Zhelp -Chelp --help)", &ordered_help)`
`47`	`47`	`.run();`
	`48`	`+`
	`49`	+ // Test that `rustc --help` does not suppress invalid flag errors
	`50`	`+ let help = bare_rustc().arg("--help --invalid-flag").run_fail().stdout_utf8();`
`48`	`51`	`}`