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Auto merge of #81114 - bugadani:generator, r=estebank

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Box generator-related Body fields

Might save some memory on functions that aren't generators.
This commit is contained in:
bors 2021-03-04 00:23:42 +00:00
commit 6f7673d077
14 changed files with 89 additions and 54 deletions
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2
compiler/rustc_mir/src/transform/check_consts/validation.rs
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@ -222,7 +222,7 @@ impl Validator<'mir, 'tcx> {
// `async` functions cannot be `const fn`. This is checked during AST lowering, so there's
// no need to emit duplicate errors here.
if is_async_fn(self.ccx) || body.generator_kind.is_some() {
if is_async_fn(self.ccx) || body.generator.is_some() {
tcx.sess.delay_span_bug(body.span, "`async` functions cannot be `const fn`");
return;
}