Matthias Krüger 613bccc4ca Rollup merge of #124555 - Zalathar:init-coverage, r=nnethercote ... coverage: Clean up creation of MC/DC condition bitmaps This PR improves the code for creating and initializing [MC/DC](https://en.wikipedia.org/wiki/Modified_condition/decision_coverage) condition bitmap variables, as introduced by #123409 and modified by #124255. - The condition bitmap variables are now created eagerly at the start of per-function codegen, via a new `init_coverage` method in `CoverageInfoBuilderMethods`. This avoids having to retroactively create the bitmaps while doing codegen for an individual coverage statement. - As a result, we can now create and initialize those bitmaps using existing safe APIs, instead of having to perform our own unsafe call to `llvm::LLVMBuildAlloca`. - This PR also tweaks the way we count the number of condition bitmaps needed, by tracking the total number of bitmaps needed (max depth + 1), instead of only tracking the maximum depth. This reduces the potential for subtle off-by-one confusion.		2024-05-03 20:33:46 +02:00
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src	Rollup merge of #124555 - Zalathar:init-coverage, r=nnethercote	2024-05-03 20:33:46 +02:00
Cargo.toml	Update to bitflags 2 in the compiler	2023-12-30 18:17:28 +01:00