37 lines
928 B
Rust
37 lines
928 B
Rust
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#![allow(unused_assignments)]
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// This test confirms an earlier problem was resolved, supporting the MIR graph generated by the
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// structure of this `fmt` function.
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struct DebugTest;
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impl std::fmt::Debug for DebugTest {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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if true {
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if false {
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while true {
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}
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}
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write!(f, "error")?;
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} else {
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}
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Ok(())
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}
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}
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fn main() {
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let debug_test = DebugTest;
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println!("{:?}", debug_test);
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}
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/*
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This is the error message generated, before the issue was fixed:
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error: internal compiler error: compiler/rustc_mir/src/transform/coverage/mod.rs:374:42:
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Error processing: DefId(0:6 ~ bug_incomplete_cov_graph_traversal_simplified[317d]::{impl#0}::fmt):
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Error { message: "`TraverseCoverageGraphWithLoops` missed some `BasicCoverageBlock`s:
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[bcb6, bcb7, bcb9]" }
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*/
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