Commits on Nov 26, 2017

1. MIR: Fix value moved diagnose messages …

   MIR: adopt borrowck test
   
   Fix trailing whitespace
   
   span_bug! on unexpected action
   
   Make RegionVid use newtype_index!
   
   Closes rust-lang#45843
   
   Check rvalue aggregates during check_stmt in tycheck, add initial, (not passing) test
   
   Fix failing test
   
   Remove attributes and test comments accidentally left behind, add in span_mirbugs
   
   Normalize LvalueTy for ops and format code to satisfy tidy check
   
   only normalize operand types when in an ADT constructor
   
   avoid early return
   
   handle the active field index in unions
   
   normalize types in ADT constructor
   
   Fixes rust-lang#45940
   
   Fix borrowck compiler errors for upvars contain "spurious" dereferences
   
   Fixes rust-lang#46003
   
   added associated function Box::leak
   
   Box::leak - improve documentation
   
   Box::leak - fixed bug in documentation
   
   Box::leak - relaxed constraints wrt. lifetimes
   
   Box::leak - updated documentation
   
   Box::leak - made an oops, fixed now =)
   
   Box::leak: update unstable issue number (46179).
   
   Add test for rust-lang#44953
   
   Add missing Debug impls to std_unicode
   
   Also adds #![deny(missing_debug_implementations)] so they don't get
   missed again.
   
   Amend RELEASES for 1.22.1
   
   and fix the date for 1.22.0
   
   Rename param in `[T]::swap_with_slice` from `src` to `other`.
   
   The idea of ‘source’ and ‘destination’ aren’t very applicable for this
   operation since both slices can both be considered sources and
   destinations.
   
   Clarify stdin behavior of `Command::output`.
   
   Fixes rust-lang#44929.
   
   Add hints for the case of confusing enum with its variants
   
   Add failing testcases
   
   Add module population and case of enum in place of expression
   
   Use for_each_child_stable in find_module
   
   Use multiline text for crate conflict diagnostics
   
   Make float::from_bits transmute (and update the documentation to reflect this).
   
   The current implementation/documentation was made to avoid sNaN because of
   potential safety issues implied by old/bad LLVM documentation. These issues
   aren't real, so we can just make the implementation transmute (as permitted
   by the existing documentation of this method).
   
   Also the documentation didn't actually match the behaviour: it said we may
   change sNaNs, but in fact we canonicalized *all* NaNs.
   
   Also an example in the documentation was wrong: it said we *always* change
   sNaNs, when the documentation was explicitly written to indicate it was
   implementation-defined.
   
   This makes to_bits and from_bits perfectly roundtrip cross-platform, except
   for one caveat: although the 2008 edition of IEEE-754 specifies how to
   interpet the signaling bit, earlier editions didn't. This lead to some platforms
   picking the opposite interpretation, so all signaling NaNs on x86/ARM are quiet
   on MIPS, and vice-versa.
   
   NaN-boxing is a fairly important optimization, while we don't even guarantee
   that float operations properly preserve signalingness. As such, this seems like
   the more natural strategy to take (as opposed to trying to mangle the signaling
   bit on a per-platform basis).
   
   This implementation is also, of course, faster.
   
   Simplify an Iterator::fold to Iterator::any
   
   This method of once-diagnostics doesn't allow nesting
   
   UI tests extract the regular output from the 'rendered' field in json
   
   Merge cfail and ui tests into ui tests
   
   Add a MIR pass to lower 128-bit operators to lang item calls
   
   Runs only with `-Z lower_128bit_ops` since it's not hooked into targets yet.
   
   Include tuple projections in MIR tests
   
   Add type checking for the lang item
   
   As part of doing so, add more lang items instead of passing u128 to the i128 ones where it doesn't matter in twos-complement.
   
   Handle shifts properly
   
   * The overflow-checking shift items need to take a full 128-bit type, since they need to be able to detect idiocy like `1i128 << (1u128 << 127)`
   * The unchecked ones just take u32, like the `*_sh?` methods in core
   * Because shift-by-anything is allowed, cast into a new local for every shift
   
   incr.comp.: Make sure we don't lose unused green results from the query cache.
   
   rustbuild: Update LLVM and enable ThinLTO
   
   This commit updates LLVM to fix rust-lang#45511 (https://reviews.llvm.org/D39981) and
   also reenables ThinLTO for libtest now that we shouldn't hit rust-lang#45768. This also
   opportunistically enables ThinLTO for libstd which was previously blocked
   (rust-lang#45661) on test failures related to debuginfo with a presumed cause of rust-lang#45511.
   
   Closes rust-lang#45511
   
   std: Flag Windows TLS dtor symbol as #[used]
   
   Turns out ThinLTO was internalizing this symbol and eliminating it. Worse yet if
   you compiled with LTO turns out no TLS destructors would run on Windows! The
   `#[used]` annotation should be a more bulletproof implementation (in the face of
   LTO) of preserving this symbol all the way through in LLVM and ensuring it makes
   it all the way to the linker which will take care of it.
   
   Add enum InitializationRequiringAction
   
   Fix tidy tests

   

   ritiek committed Nov 26, 2017
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