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dataflow_const_prop: do not eval a ptr address in SwitchInt #134073

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Merged
merged 1 commit into from
Dec 10, 2024
Merged

dataflow_const_prop: do not eval a ptr address in SwitchInt #134073

merged 1 commit into from
Dec 10, 2024

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dianqk
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@dianqk dianqk commented Dec 9, 2024

Fixes #131227.

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rustbot commented Dec 9, 2024

r? @Nadrieril

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@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 Dec 9, 2024
dianqk
dianqk commented Dec 9, 2024
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tests/ui/issues/issue-131227-dataflow-const-prop.rs Outdated
pub fn myfunc() -> i32 {
let var = &raw mut G;
let u: usize = unsafe { std::mem::transmute(var) };
match u {
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https://rust.godbolt.org/z/aGPocn5jq

@dianqk dianqk mentioned this pull request Dec 9, 2024
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rustbot commented Dec 9, 2024

Some changes occurred to MIR optimizations

cc @rust-lang/wg-mir-opt

jieyouxu
jieyouxu reviewed Dec 9, 2024
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oli-obk commented Dec 9, 2024

@bors r+ rollup

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bors commented Dec 9, 2024

📌 Commit d0986f4 has been approved by oli-obk

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 Dec 9, 2024
@oli-obk oli-obk assigned oli-obk and unassigned Nadrieril Dec 9, 2024
@fmease fmease mentioned this pull request Dec 9, 2024
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bors added a commit to rust-lang-ci/rust that referenced this pull request Dec 10, 2024
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Auto merge of rust-lang#134096 - fmease:rollup-0asgoo8, r=fmease
ff7906b 
Rollup of 9 pull requests

Successful merges:

 - rust-lang#133996 (Move most tests for `-l` and `#[link(..)]` into `tests/ui/link-native-libs`)
 - rust-lang#134012 (Grammar fixes)
 - rust-lang#134032 (docs: better examples for `std::ops::ControlFlow`)
 - rust-lang#134040 (bootstrap: print{ln}! -> eprint{ln}! (take 2))
 - rust-lang#134043 (Add test to check unicode identifier version)
 - rust-lang#134053 (rustdoc: rename `issue-\d+.rs` tests to have meaningful names (part 10))
 - rust-lang#134055 (interpret: clean up deduplicating allocation functions)
 - rust-lang#134073 (dataflow_const_prop: do not eval a ptr address in SwitchInt)
 - rust-lang#134084 (Fix typo in RFC mention 3598 -> 3593)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit cb5f03c into rust-lang:master Dec 10, 2024
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@rustbot rustbot added this to the 1.85.0 milestone Dec 10, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Dec 10, 2024
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Unrolled build for rust-lang#134073
a3301f0 
Rollup merge of rust-lang#134073 - DianQK:fix-131227, r=oli-obk

dataflow_const_prop: do not eval a ptr address in SwitchInt

Fixes rust-lang#131227.
@dianqk dianqk deleted the fix-131227 branch December 10, 2024 07:47
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[ICE]: got a pointer where a ScalarInt was expected: alloc1
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