Guillaume Gomez 5de0c5f63f Rollup merge of #79958 - richkadel:llvm-coverage-counters-2.2.0, r=tmandry ... Fixes reported bugs in Rust Coverage Fixes: #79569 Fixes: #79566 Fixes: #79565 For the first issue (#79569), I got hit a `debug_assert!()` before encountering the reported error message (because I have `debug = true` enabled in my config.toml). The assertion showed me that some `SwitchInt`s can have more than one target pointing to the same `BasicBlock`. I had thought that was invalid, but since it seems to be possible, I'm allowing this now. I added a new test for this. ---- In the last two cases above, both tests (intentionally) fail to compile, but the `InstrumentCoverage` pass is invoked anyway. The MIR starts with an `Unreachable` `BasicBlock`, which I hadn't encountered before. (I had assumed the `InstrumentCoverage` pass would only be invoked with MIRs from successful compilations.) I don't have test infrastructure set up to test coverage on files that fail to compile, so I didn't add a new test. r? `@tmandry` FYI: `@wesleywiser`		2020-12-15 16:43:23 +01:00
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src	Rollup merge of #79958 - richkadel:llvm-coverage-counters-2.2.0, r=tmandry	2020-12-15 16:43:23 +01:00
Cargo.toml	Added some unit tests as requested	2020-11-11 16:40:17 -08:00