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Diffstat (limited to 'compiler/rustc_passes/src/dead.rs')
-rw-r--r-- | compiler/rustc_passes/src/dead.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 7812dcde4..d5ac1cd9c 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -500,6 +500,17 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { self.in_pat = in_pat; } + + fn visit_inline_const(&mut self, c: &'tcx hir::ConstBlock) { + // When inline const blocks are used in pattern position, paths + // referenced by it should be considered as used. + let in_pat = mem::replace(&mut self.in_pat, false); + + self.live_symbols.insert(c.def_id); + intravisit::walk_inline_const(self, c); + + self.in_pat = in_pat; + } } fn has_allow_dead_code_or_lang_attr(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { |