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Don't skip the inconsistent data layout check for custom LLVMs. With #118708, all targets will have a simple test that would trigger this check if LLVM's data layouts do change - so data layouts would be corrected during the LLVM upgrade. Therefore, with builtin targets, this check won't trigger with our LLVM because each target will have been confirmed to work. With non-builtin targets, this check is probably useful to have because you can change the data layout in your target and if its wrong then that could lead to bugs. When using a custom LLVM, the same justification makes sense for non-builtin targets as with our LLVM, the user can update their target to match their LLVM and that's probably a good thing to do. However, with a custom LLVM, the user cannot change the builtin target data layouts if they don't match - though given that the compiler's data layout is used for layout computation and a bunch of other things - you could get some bugs because of the mismatch and probably want to know about that. `CFG_LLVM_ROOT` was also always set during local development with `download-ci-llvm` so this bug would never trigger locally. Signed-off-by: David Wood <david@davidtw.co> |
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| .. | ||
| definitely-not-builtin-target.json | ||
| endianness-mismatch.json | ||
| foo.rs | ||
| Makefile | ||
| mismatching-data-layout.json | ||
| my-awesome-platform.json | ||
| my-incomplete-platform.json | ||
| my-invalid-platform.json | ||
| my-x86_64-unknown-linux-gnu-platform.json | ||