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Make sure to record deps from cached task in new solver on first run

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This commit is contained in:
Michael Goulet 2024-12-03 22:47:08 +00:00
parent 3f089971ff
commit 988f28d442
4 changed files with 22 additions and 10 deletions
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17
compiler/rustc_query_system/src/dep_graph/graph.rs
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@ -302,7 +302,11 @@ impl<D: Deps> DepGraph<D> {
OP: FnOnce() -> R,
{
match self.data() {
Some(data) => data.with_anon_task(cx, dep_kind, op),
Some(data) => {
let (result, index) = data.with_anon_task_inner(cx, dep_kind, op);
self.read_index(index);
(result, index)
}
None => (op(), self.next_virtual_depnode_index()),
}
}
@ -397,7 +401,16 @@ impl<D: Deps> DepGraphData<D> {
/// Executes something within an "anonymous" task, that is, a task the
/// `DepNode` of which is determined by the list of inputs it read from.
pub(crate) fn with_anon_task<Tcx: DepContext<Deps = D>, OP, R>(
///
/// NOTE: this does not actually count as a read of the DepNode here.
/// Using the result of this task without reading the DepNode will result
/// in untracked dependencies which may lead to ICEs as nodes are
/// incorrectly marked green.
///
/// FIXME: This could perhaps return a `WithDepNode` to ensure that the
/// user of this function actually performs the read; we'll have to see
/// how to make that work with `anon` in `execute_job_incr`, though.
pub(crate) fn with_anon_task_inner<Tcx: DepContext<Deps = D>, OP, R>(
&self,
cx: Tcx,
dep_kind: DepKind,