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Rollup merge of #138980 - tmiasko:collect-var-debug-info, r=compiler-errors

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Collect items referenced from var_debug_info

The collection is limited to full debuginfo builds to match behavior of FunctionCx::compute_per_local_var_debug_info.

Fixes #138942.
This commit is contained in:
Stuart Cook 2025-03-27 15:57:25 +11:00 • committed by GitHub
commit c33df2763f
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2 changed files with 30 additions and 1 deletions
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7
compiler/rustc_monomorphize/src/collector.rs
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@ -231,7 +231,7 @@ use rustc_middle::ty::{
use rustc_middle::util::Providers;
use rustc_middle::{bug, span_bug};
use rustc_session::Limit;
use rustc_session::config::EntryFnType;
use rustc_session::config::{DebugInfo, EntryFnType};
use rustc_span::source_map::{Spanned, dummy_spanned, respan};
use rustc_span::{DUMMY_SP, Span};
use tracing::{debug, instrument, trace};
@ -1235,6 +1235,11 @@ fn collect_items_of_instance<'tcx>(
};
if mode == CollectionMode::UsedItems {
if tcx.sess.opts.debuginfo == DebugInfo::Full {
for var_debug_info in &body.var_debug_info {
collector.visit_var_debug_info(var_debug_info);
}
}
for (bb, data) in traversal::mono_reachable(body, tcx, instance) {
collector.visit_basic_block_data(bb, data)
}