mirror of https://github.com/rust-lang/rust
34 lines
882 B
Rust
34 lines
882 B
Rust
#![feature(coverage_attribute)]
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//@ edition: 2021
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// Regression test for <https://github.com/rust-lang/rust/issues/122738>.
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// These code patterns should not trigger an ICE when allocating a physical
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// counter to a node and also one of its in-edges, because that is allowed
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// when the node contains a tight loop to itself.
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fn loopy(cond: bool) {
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let true = cond else { loop {} };
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}
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// Variant that also has `loop {}` on the success path.
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// This isn't needed to catch the original ICE, but might help detect regressions.
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fn _loop_either_way(cond: bool) {
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let true = cond else { loop {} };
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loop {}
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}
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// Variant using regular `if` instead of let-else.
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// This doesn't trigger the original ICE, but might help detect regressions.
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fn _if(cond: bool) {
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if cond {
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loop {}
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} else {
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loop {}
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}
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}
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#[coverage(off)]
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fn main() {
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loopy(true);
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}
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