ICE on nightly: "Forcing query with already existing DepNode." #61594
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I-ICE
Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
P-high
High priority
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
Comments
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I just ran into this as well. |
sfackler
added
I-ICE
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It's the same as #61530 |
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Similar error on many stdsimd targets, e.g., aarch64: https://travis-ci.com/rust-lang-nursery/stdsimd/jobs/206228395#L941 |
Closed
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triage: P-high, leaving nominated to discuss relationship with #61530, assigning to self for initial investigation. |
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Re: incremental compilation, the ICE does seem to go away when I build with |
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I'm also getting this when using Here is my full stack trace: |
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Addendum: The |
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The matrix inverse example from Isolated mixed source from mine and #[macro_use]
extern crate packed_simd;
use packed_simd::{f32x4, f32x16, f32x8};
pub struct Matrix4(pub f32x16);
impl Matrix4 {
pub fn inverse(&self) -> Option<Matrix4> {
let m_0: f32x4 = shuffle!(self.0, [0, 1, 2, 3]);
let m_1: f32x4 = shuffle!(self.0, [4, 5, 6, 7]);
let m_2: f32x4 = shuffle!(self.0, [8, 9, 10, 11]);
let m_3: f32x4 = shuffle!(self.0, [12, 13, 14, 15]);
let tmp1: f32x4 = shuffle!(m_0, m_1, [0, 1, 4, 5]);
let row1: f32x4 = shuffle!(m_2, m_3, [0, 1, 4, 5]);
let row0 = shuffle!(tmp1, row1, [0, 2, 4, 6]);
let row1: f32x4 = shuffle!(row1, tmp1, [1, 3, 5, 7]);
let tmp1: f32x4 = shuffle!(m_0, m_1, [2, 3, 6, 7]);
let row3: f32x4 = shuffle!(m_2, m_3, [2, 3, 6, 7]);
let row2 = shuffle!(tmp1, row3, [0, 2, 4, 6]);
let row3 = shuffle!(row3, tmp1, [1, 3, 5, 7]);
let tmp1: f32x4 = row2 * row3;
let tmp1 = shuffle!(tmp1, [1, 0, 3, 2]);
let minor0 = row1 * tmp1;
let minor1 = row0 * tmp1;
let tmp1 = shuffle!(tmp1, [2, 3, 0, 1]);
let minor0 = (row1 * tmp1) - minor0;
let minor1 = (row0 * tmp1) - minor1;
let minor1 = shuffle!(minor1, [2, 3, 0, 1]);
let tmp1 = row1 * row2;
let tmp1 = shuffle!(tmp1, [1, 0, 3, 2]);
let minor0 = (row3 * tmp1) + minor0;
let minor3 = row0 * tmp1;
let tmp1 = shuffle!(tmp1, [2, 3, 0, 1]);
let minor0 = minor0 - row3 * tmp1;
let minor3 = row0 * tmp1 - minor3;
let minor3 = shuffle!(minor3, [2, 3, 0, 1]);
let tmp1 = row3 * shuffle!(row1, [2, 3, 0, 1]);
let tmp1 = shuffle!(tmp1, [1, 0, 3, 2]);
let row2 = shuffle!(row2, [2, 3, 0, 1]);
let minor0 = row2 * tmp1 + minor0;
let minor2 = row0 * tmp1;
let tmp1 = shuffle!(tmp1, [2, 3, 0, 1]);
let minor0 = minor0 - row2 * tmp1;
let minor2 = row0 * tmp1 - minor2;
let minor2 = shuffle!(minor2, [2, 3, 0, 1]);
let tmp1 = row0 * row1;
let tmp1 = shuffle!(tmp1, [1, 0, 3, 2]);
let minor2 = minor2 + row3 * tmp1;
let minor3 = row2 * tmp1 - minor3;
let tmp1 = shuffle!(tmp1, [2, 3, 0, 1]);
let minor2 = row3 * tmp1 - minor2;
let minor3 = minor3 - row2 * tmp1;
let tmp1 = row0 * row3;
let tmp1 = shuffle!(tmp1, [1, 0, 3, 2]);
let minor1 = minor1 - row2 * tmp1;
let minor2 = row1 * tmp1 + minor2;
let tmp1 = shuffle!(tmp1, [2, 3, 0, 1]);
let minor1 = row2 * tmp1 + minor1;
let minor2 = minor2 - row1 * tmp1;
let tmp1 = row0 * row2;
let tmp1 = shuffle!(tmp1, [1, 0, 3, 2]);
let minor1 = row3 * tmp1 + minor1;
let minor3 = minor3 - row1 * tmp1;
let tmp1 = shuffle!(tmp1, [2, 3, 0, 1]);
let minor1 = minor1 - row3 * tmp1;
let minor3 = row1 * tmp1 + minor3;
let det = row0 * minor0;
let det = shuffle!(det, [2, 3, 0, 1]) + det;
let det = shuffle!(det, [1, 0, 3, 2]) + det;
if det.sum() == 0.0 {
return None;
}
let tmp1 = det.recpre();
let det = tmp1 + tmp1 - det * tmp1 * tmp1;
let res0 = minor0 * det;
let res1 = minor1 * det;
let res2 = minor2 * det;
let res3 = minor3 * det;
let m0: f32x8 = shuffle!(res0, res1, [0, 1, 2, 3, 4, 5, 6, 7]);
let m1: f32x8 = shuffle!(res2, res3, [0, 1, 2, 3, 4, 5, 6, 7]);
Some(Matrix4(shuffle!(m0, m1, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15])))
}
}
fn main() {
let _v = Matrix4(f32x16::splat(0.0)).inverse();
} |
Under the circumstances (an ICE in the |
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(I guess the title could be better, this is not an actual "hash collision", just |
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The fix-PR has been merged, can you try again with tomorrow's nightly? |
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Working for me now! |
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Repro:
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