Auto merge of #79680 - Nadrieril:fix-regression-79284, r=jonas-schievink
Fix perf regression caused by #79284 https://github.com/rust-lang/rust/pull/79284 only moved code around but this changed inlining and caused a large perf regression. This fixes it for me, though I'm less confident than usual because the regression was not observable with my usual (i.e. incremental) compilation settings. r? `@Mark-Simulacrum`
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@ -697,6 +697,8 @@ impl<'tcx> Constructor<'tcx> {
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/// Returns whether `self` is covered by `other`, i.e. whether `self` is a subset of `other`.
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/// For the simple cases, this is simply checking for equality. For the "grouped" constructors,
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/// this checks for inclusion.
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// We inline because this has a single call site in `Matrix::specialize_constructor`.
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#[inline]
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pub(super) fn is_covered_by<'p>(&self, pcx: PatCtxt<'_, 'p, 'tcx>, other: &Self) -> bool {
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// This must be kept in sync with `is_covered_by_any`.
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match (self, other) {
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