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Rollup merge of #77950 - arlosi:sha256, r=eddyb

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Add support for SHA256 source file hashing

Adds support for `-Z src-hash-algorithm sha256`, which became available in LLVM 11.

Using an older version of LLVM will cause an error `invalid checksum kind` if the hash algorithm is set to sha256.

r? `@eddyb`
cc #70401 `@est31`
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Mara Bos 2020-11-03 19:32:26 +01:00 • committed by GitHub
commit 52405f7c0c
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10 changed files with 59 additions and 10 deletions
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compiler/rustc_session/src/options.rs
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@ -1076,7 +1076,7 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
span_free_formats: bool = (false, parse_bool, [UNTRACKED],
"exclude spans when debug-printing compiler state (default: no)"),
src_hash_algorithm: Option<SourceFileHashAlgorithm> = (None, parse_src_file_hash, [TRACKED],
"hash algorithm of source files in debug info (`md5`, or `sha1`)"),
"hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`)"),
strip: Strip = (Strip::None, parse_strip, [UNTRACKED],
"tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`)"),
symbol_mangling_version: SymbolManglingVersion = (SymbolManglingVersion::Legacy,