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Revert ObligationForest on beta branch - #31851
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…, r=aturon" This reverts commit c14b615, reversing changes made to dda25f2. This caused a regression in compiler performance and backporting the fix to beta was deemed too risky and too challenging, since it is non-trivial and builds on prior commits in various ways. Conflicts: src/librustc/middle/traits/fulfill.rs src/librustc_data_structures/lib.rs
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r? @arielb1 (rust_highfive has picked a reviewer for you, use r? to override) |
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Hmm, local testing of this PR has encountered some odd failures (e.g., a segfault just now in the libcollections tests). But I am sort of reluctant to blame it on this PR to be honest. |
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I'm testing locally. |
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Actually, I see the same problem whether or not this commit is applied: |
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I don't see the crash locally. |
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OK, I don't know what's happening locally, but I'm inclined to take this PR. |
brson
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Feb 25, 2016
Revert ObligationForest on beta branch
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The OF caused a regression in compiler performance and backporting the fix
to beta was deemed too risky and too challenging, since it is
non-trivial and builds on prior commits in various ways.