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Upgrade to LLVM 16, again #109474

Merged
merged 3 commits into from
Mar 25, 2023
Merged

Upgrade to LLVM 16, again #109474

merged 3 commits into from
Mar 25, 2023

Commits on Mar 22, 2023

  1. Update dist-x86_64-linux to GCC 8.5 

    While we don't use GCC for the LLVM build, we do use its libstdc++,
and there has been an std::optional ABI break in this version.
This makes the libLLVM.so for LLVM 16 ABI-incompatible with newer
libstdc++ versions, which we use on all other builders, and which
download-ci-llvm users are likely to use.
    @nikic
    nikic committed Mar 22, 2023
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  2. Upgrade to LLVM 16

    @nikic
    nikic committed Mar 22, 2023
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  3. Increase array size in array-map.rs 

    Make sure that the loop is not fully unrolled (which allows
eliminating the allocas) in LLVM 16 either.
    @nikic
    nikic committed Mar 22, 2023
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