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resolve typerelative ctors to adt #113217

Merged
merged 6 commits into from
Jul 8, 2023
Merged

resolve typerelative ctors to adt #113217

merged 6 commits into from
Jul 8, 2023

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ericmarkmartin
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Associated issue: #110508

r? @spastorino

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jun 30, 2023
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This could use a MIR or THIR test (-Zunpretty=thir-tree or --emit-mir)

@ericmarkmartin
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ericmarkmartin commented Jul 1, 2023 •
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This could use a MIR or THIR test (-Zunpretty=thir-tree or --emit-mir)

I assume the THIR test should go in tests/ui/thir-print---where should the MIR test go? Also, it seems like printing the THIR creates a lot of output (even if we use thir-flat). Is there something we can do so it's more obvious what the test is trying to show (other than throwing a comment in the rust file)?

EDIT: added a thir-print test but am still wondering about the above

cjgillot
cjgillot reviewed Jul 2, 2023
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MIR tests go into tests/mir-opt/building, with specific support for dumping MIR.
OTOH, I'm not convinced by the need to test the THIR dump.

compiler/rustc_mir_build/src/thir/cx/expr.rs Outdated
@@ -351,19 +351,34 @@ impl<'tcx> Cx<'tcx> {
});
}
}
let adt_data =
if let hir::ExprKind::Path(hir::QPath::Resolved(_, ref path)) = fun.kind {
let adt_data = if let hir::ExprKind::Path(qpath) = fun.kind {
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Suggested change
let adt_data = if let hir::ExprKind::Path(qpath) = fun.kind {
let adt_data = if let hir::ExprKind::Path(qpath) = fun.kind
&& let Some(adt_def) = expr_ty.ty_adt_def()
{

To avoid having to do it in all branches.

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OTOH, I'm not convinced by the need to test the THIR dump.

As per my comment above, I'm a bit sad about the THIR dump verbosity. However, isn't THIR the more logical place to test this, given that the bug was with HIR -> THIR lowering?

@cjgillot cjgillot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 3, 2023
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@rustbot ready

I've added both THIR and MIR tests for now: as I noted before I think the THIR test is a little verbose, but I don't think the mir dump test really shows much. When I ran the test again using the stage0 compiler (just as an easy-to-reach pre-my-changes compiler build) the only difference in the MIR dump seemed to be the presence of comments in the BAR2 dump file.

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Jul 5, 2023
@ericmarkmartin ericmarkmartin marked this pull request as ready for review July 5, 2023 03:54
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cjgillot commented Jul 8, 2023

@bors r+

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bors commented Jul 8, 2023

📌 Commit 261c023 has been approved by cjgillot

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 8, 2023
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Jul 8, 2023
@matthiaskrgr
Rollup merge of rust-lang#113217 - ericmarkmartin:lower-type-relative…
8c4a459 
…-ctor-to-adt, r=cjgillot

resolve typerelative ctors to adt

Associated issue: rust-lang#110508

r? `@spastorino`
This was referenced Jul 8, 2023
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bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 8, 2023
@bors
Auto merge of rust-lang#113491 - matthiaskrgr:rollup-mueqz7h, r=matth…
83964c1 
…iaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#113005 (Don't call `query_normalize` when reporting similar impls)
 - rust-lang#113064 (std: edit [T]::swap docs)
 - rust-lang#113138 (Add release notes for 1.71.0)
 - rust-lang#113217 (resolve typerelative ctors to adt)
 - rust-lang#113254 (Use consistent formatting in Readme)
 - rust-lang#113482 (Migrate GUI colors test to original CSS color format)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit b637be7 into rust-lang:master Jul 8, 2023
11 checks passed
@rustbot rustbot added this to the 1.72.0 milestone Jul 8, 2023
@ericmarkmartin ericmarkmartin deleted the lower-type-relative-ctor-to-adt branch July 11, 2023 04:38
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