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Temporarily only adding UserAssertTy on binding patterns.

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David Wood
2018-03-21 19:47:08 +00:00
parent e1648bde17
commit fc5c4daa88
1 changed files with 9 additions and 3 deletions
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12
src/librustc_mir/build/block.rs
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@@ -125,11 +125,17 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
}) })
})); }));
} else { } else {
// FIXME: We currently only insert `UserAssertTy` statements for patterns
// that are bindings, this is as we do not want to deconstruct the type
// being assertion to match the pattern.
if let PatternKind::Binding { var, .. } = *pattern.kind {
if let Some(ty) = ty {
this.user_assert_ty(block, ty, var, span);
}
}
this.visit_bindings(&pattern, &mut |this, _, _, node, span, _| { this.visit_bindings(&pattern, &mut |this, _, _, node, span, _| {
this.storage_live_binding(block, node, span); this.storage_live_binding(block, node, span);
if let Some(ty) = ty {
this.user_assert_ty(block, ty, node, span);
}
this.schedule_drop_for_binding(node, span); this.schedule_drop_for_binding(node, span);
}) })
} }