Always use full metadata hash for -C metadata. #9418
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Update cargo 5 commits in 0ed318d182e465cd66071b91ac3d265af63ef8a1..4369396ce7d270972955d876eaa4954bea56bcd9 2021-04-23 20:54:54 +0000 to 2021-04-27 14:35:53 +0000 - Fix rebuild issues with rustdoc. (rust-lang/cargo#9419) - Always use full metadata hash for -C metadata. (rust-lang/cargo#9418) - Expose build.target .cargo/config setting as packages.target in Cargo.toml (rust-lang/cargo#9030) - Some changes to rustdoc fingerprint checking. (rust-lang/cargo#9404) - Document that CARGO_PKG_ are availble to build.rs (rust-lang/cargo#9405)
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This changes it so that cargo always uses the full metadata hash for
-C metadata. This ensures that even if a unit isn't using-C extra-filenamethat the symbol hashing uses all the fields used in the other cases.This fixes an issue on macOS where a combination of split-debuginfo and incremental caused the same
.ofilenames to be used, which caused corruption in the incremental cache (see issue for details).Fixes #9353.