Make -C hint-mostly-unused require -Zunstable-options for now

joshtriplett · joshtriplett · commit d3f3a68c4726 · 2025-01-18T08:01:34.000+02:00
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
@@ -2441,6 +2441,12 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M
         }
     }
 
+    if cg.hint_mostly_unused && !unstable_opts.unstable_options {
+        early_dcx.early_fatal(
+            "`-C hint-mostly-unused` requires `-Zunstable-options` and a nightly compiler",
+        )
+    }
+
     if !nightly_options::is_unstable_enabled(matches)
         && cg.force_frame_pointers == FramePointer::NonLeaf
     {

Original file line number	Diff line number	Diff line change
`@@ -2441,6 +2441,12 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M`
`2441`	`2441`	`}`
`2442`	`2442`	`}`
`2443`	`2443`
	`2444`	`+ if cg.hint_mostly_unused && !unstable_opts.unstable_options {`
	`2445`	`+ early_dcx.early_fatal(`
	`2446`	+ "`-C hint-mostly-unused` requires `-Zunstable-options` and a nightly compiler",
	`2447`	`+ )`
	`2448`	`+ }`
	`2449`	`+`
`2444`	`2450`	`if !nightly_options::is_unstable_enabled(matches)`
`2445`	`2451`	`&& cg.force_frame_pointers == FramePointer::NonLeaf`
`2446`	`2452`	`{`