Truncate symbol hashes to 64 bits.
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@ -34,6 +34,7 @@ use std::run;
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use std::str;
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use std::io;
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use std::io::fs;
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use extra::hex::ToHex;
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use extra::tempfile::TempDir;
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use syntax::abi;
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use syntax::ast;
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@ -494,8 +495,10 @@ pub fn build_link_meta(sess: Session,
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}
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}
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pub fn truncated_hash_result(symbol_hasher: &mut Sha256) -> ~str {
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symbol_hasher.result_str()
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fn truncated_hash_result(symbol_hasher: &mut Sha256) -> ~str {
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let output = symbol_hasher.result_bytes();
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// 64 bits should be enough to avoid collisions.
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output.slice_to(8).to_hex()
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}
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