Disable MIR on beta/stable until we've resolved #29227 is resolved.

This commit is contained in:
Niko Matsakis 2015-10-26 15:05:35 -04:00
parent c5d650cf74
commit 2d5b8b0f2d

View file

@ -46,6 +46,7 @@ use syntax::ast::{self, NodeIdAssigner};
use syntax::attr;
use syntax::attr::AttrMetaMethods;
use syntax::diagnostics;
use syntax::feature_gate::UnstableFeatures;
use syntax::fold::Folder;
use syntax::parse;
use syntax::parse::token;
@ -750,9 +751,18 @@ pub fn phase_3_run_analysis_passes<'tcx, F, R>(sess: &'tcx Session,
time(time_passes, "match checking", ||
middle::check_match::check_crate(tcx));
let _mir_map =
time(time_passes, "MIR dump", ||
mir::mir_map::build_mir_for_crate(tcx));
match tcx.sess.opts.unstable_features {
UnstableFeatures::Disallow => {
// use this as a shorthand for beta/stable, and skip
// MIR construction there until known regressions are
// addressed
}
UnstableFeatures::Allow | UnstableFeatures::Cheat => {
let _mir_map =
time(time_passes, "MIR dump", ||
mir::mir_map::build_mir_for_crate(tcx));
}
}
time(time_passes, "liveness checking", ||
middle::liveness::check_crate(tcx));