Auto merge of #150577 - wesleywiser:cleanup_debuginfo_compression, r=mati865

Cleanup `debuginfo_compression` unstable flag

It isn't necessary to declare the option as a top-level flag when it is accessible from `unstable_opts`.

cc #120953

Author: bors

compiler/rustc_codegen_llvm/src/back/write.rs

@@ -250,7 +250,7 @@ pub(crate) fn target_machine_factory(
 
     let use_emulated_tls = matches!(sess.tls_model(), TlsModel::Emulated);
 
-    let debuginfo_compression = match sess.opts.debuginfo_compression {
+    let debuginfo_compression = match sess.opts.unstable_opts.debuginfo_compression {
         config::DebugInfoCompression::None => llvm::CompressionKind::None,
         config::DebugInfoCompression::Zlib => {
             if llvm::LLVMRustLLVMHasZlibCompression() {

compiler/rustc_session/src/config.rs

@@ -1376,7 +1376,6 @@ impl Default for Options {
             crate_types: Vec::new(),
             optimize: OptLevel::No,
             debuginfo: DebugInfo::None,
-            debuginfo_compression: DebugInfoCompression::None,
             lint_opts: Vec::new(),
             lint_cap: None,
             describe_lints: false,
@@ -2639,7 +2638,6 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M
     // for more details.
     let debug_assertions = cg.debug_assertions.unwrap_or(opt_level == OptLevel::No);
     let debuginfo = select_debuginfo(matches, &cg);
-    let debuginfo_compression = unstable_opts.debuginfo_compression;
 
     if !unstable_options_enabled {
         if let Err(error) = cg.linker_features.check_unstable_variants(&target_triple) {
@@ -2747,7 +2745,6 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M
         crate_types,
         optimize: opt_level,
         debuginfo,
-        debuginfo_compression,
         lint_opts,
         lint_cap,
         describe_lints,

compiler/rustc_session/src/options.rs

@@ -397,7 +397,6 @@ top_level_options!(
         /// can influence whether overflow checks are done or not.
         debug_assertions: bool [TRACKED],
         debuginfo: DebugInfo [TRACKED],
-        debuginfo_compression: DebugInfoCompression [TRACKED],
         lint_opts: Vec<(String, lint::Level)> [TRACKED_NO_CRATE_HASH],
         lint_cap: Option<lint::Level> [TRACKED_NO_CRATE_HASH],
         describe_lints: bool [UNTRACKED],