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Remove the workaround for gh32959

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This workaround is no longer necessary as Rust, and by extension MIR, now support uninhabited type
properly. This removes the workaround for the gh32959 that was introduced in gh33267.

Fixes #32959
This commit is contained in:
Simonas Kazlauskas 2017-01-29 08:17:34 +02:00
parent f39f273826
commit d880bbb35f
2 changed files with 2 additions and 5 deletions
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5
src/librustc_mir/build/block.rs
View File

@ -16,8 +16,6 @@ use rustc::hir;
impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
pub fn ast_block(&mut self,
destination: &Lvalue<'tcx>,
// FIXME(#32959): temporary measure for the issue
dest_is_unit: bool,
mut block: BasicBlock,
ast_block: &'tcx hir::Block)
-> BlockAnd<()> {
@ -83,8 +81,7 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
// of the block.
if let Some(expr) = expr {
unpack!(block = this.into(destination, block, expr));
} else if dest_is_unit {
// FIXME(#31472)
} else {
let source_info = this.source_info(span);
this.cfg.push_assign_unit(block, source_info, destination);
}

2
src/librustc_mir/build/expr/into.rs
View File

@ -40,7 +40,7 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
this.in_scope(extent, block, |this| this.into(destination, block, value))
}
ExprKind::Block { body: ast_block } => {
this.ast_block(destination, expr.ty.is_nil(), block, ast_block)
this.ast_block(destination, block, ast_block)
}
ExprKind::Match { discriminant, arms } => {
this.match_expr(destination, expr_span, block, discriminant, arms)