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found the stack overflow culprit

This commit is contained in:
achernyak 2017-04-28 22:42:05 -05:00
parent 93ac5dff2a
commit ba90718bb4
1 changed files with 2 additions and 2 deletions
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4
src/librustc/ty/maps.rs
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@ -346,8 +346,8 @@ macro_rules! define_maps {
}
// FIXME(eddyb) Get more valid Span's on queries.
if span == DUMMY_SP {
span = key.default_span(tcx);
if span == DUMMY_SP && stringify!($name) != "def_span" {
span = key.default_span(tcx)
}
let _task = tcx.dep_graph.in_task(Self::to_dep_node(&key));