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Auto merge of #104048 - cjgillot:split-lifetime, r=compiler-errors

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Separate lifetime ident from lifetime resolution in HIR

Drive-by: change how suggested generic args are computed.
Fixes https://github.com/rust-lang/rust/issues/103815

I recommend reviewing commit-by-commit.
This commit is contained in:
bors 2022-11-27 14:30:19 +00:00
commit 454784afba
49 changed files with 581 additions and 435 deletions
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5
compiler/rustc_ast_lowering/src/expr.rs
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@ -605,6 +605,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
output,
c_variadic: false,
implicit_self: hir::ImplicitSelfKind::None,
lifetime_elision_allowed: false,
});
// Lower the argument pattern/ident. The ident is used again in the `.await` lowering.
@ -917,7 +918,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
let bound_generic_params = self.lower_lifetime_binder(closure_id, generic_params);
// Lower outside new scope to preserve `is_in_loop_condition`.
let fn_decl = self.lower_fn_decl(decl, None, fn_decl_span, FnDeclKind::Closure, None);
let fn_decl = self.lower_fn_decl(decl, closure_id, fn_decl_span, FnDeclKind::Closure, None);
let c = self.arena.alloc(hir::Closure {
def_id: self.local_def_id(closure_id),
@ -1027,7 +1028,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
// have to conserve the state of being inside a loop condition for the
// closure argument types.
let fn_decl =
self.lower_fn_decl(&outer_decl, None, fn_decl_span, FnDeclKind::Closure, None);
self.lower_fn_decl(&outer_decl, closure_id, fn_decl_span, FnDeclKind::Closure, None);
let c = self.arena.alloc(hir::Closure {
def_id: self.local_def_id(closure_id),