mirror of https://github.com/rust-lang/rust
53 lines
2.1 KiB
Plaintext
53 lines
2.1 KiB
Plaintext
LL| |// This test confirms an earlier problem was resolved, supporting the MIR graph generated by the
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LL| |// structure of this test.
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LL| |
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LL| |#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
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LL| |pub struct Version {
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LL| | major: usize,
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LL| | minor: usize,
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LL| | patch: usize,
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LL| |}
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LL| |
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LL| |impl Version {
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LL| 2| pub fn new(major: usize, minor: usize, patch: usize) -> Self {
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LL| 2| Self {
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LL| 2| major,
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LL| 2| minor,
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LL| 2| patch,
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LL| 2| }
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LL| 2| }
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LL| |}
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LL| |
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LL| 1|fn main() {
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LL| 1| let version_3_2_1 = Version::new(3, 2, 1);
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LL| 1| let version_3_3_0 = Version::new(3, 3, 0);
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LL| 1|
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LL| 1| println!(
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LL| 1| "{:?} < {:?} = {}",
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LL| 1| version_3_2_1,
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LL| 1| version_3_3_0,
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LL| 1| version_3_2_1 < version_3_3_0
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LL| 1| );
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LL| 1|}
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LL| |
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LL| |/*
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LL| |
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LL| |This test verifies a bug was fixed that otherwise generated this error:
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LL| |
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LL| |thread 'rustc' panicked at 'No counters provided the source_hash for function:
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LL| | Instance {
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LL| | def: Item(WithOptConstParam {
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LL| | did: DefId(0:101 ~ autocfg[c44a]::version::{impl#2}::partial_cmp),
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LL| | const_param_did: None
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LL| | }),
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LL| | args: []
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LL| | }'
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LL| |The `PartialOrd` derived by `Version` happened to generate a MIR that generated coverage
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LL| |without a code region associated with any `Counter`. Code regions were associated with at least
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LL| |one expression, which is allowed, but the `function_source_hash` was only passed to the codegen
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LL| |(coverage mapgen) phase from a `Counter`s code region. A new method was added to pass the
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LL| |`function_source_hash` without a code region, if necessary.
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LL| |
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LL| |*/
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