Update ChangeLog for release

May need a little tweaking before release.

docs/ChangeLog

@@ -1,3 +1,117 @@
+New in 2019.03
+
+Spesh:
++ New partial escape analysis allows objects to be replaced by registers
++ [03d4271c] Spesh optimize get/bind attribute for int32
++ [ff9666bd] Fix predecessor pointers when merging basic blocks in spesh
++ [75d5bc6e] Fix memory leak in inlining
++ [d42fd895] MVMROOT before allocation
++ [9eac21cb,d42fd895] Fix broken macro expansion on Windows. Fixes issue #1048
++ [215430c4] Lower bindattr_i On CStruct Objects
++ [a37c0bff] Fix wrong type selection for push_* And pop_*
++ [a6dad31d] Copy deopt usage info when doing guard reg split
++ [3629362f] Add deopt uses as needed for scalar replacements
++ [2d936a5a] Remove unused variable
++ [c29536d7] Implement deopt materialization of native attrs
++ [4081221b] Log target register of eliminated allocations
++ [0f5e2441] Correct a thinko, remove an unused variable
++ [357b8abc] Distribute deopt usages when inlining
++ [6d01c3cb] Use correct indexes for deopt usage chain lookups
++ [84451aa3] Switch on using the PEA deopt mechanism
++ [166d0acf] Log deopt offset to index outcome
++ [b4e059bd] Don't forget synthetic annotations
++ [62a8ae10] Only add deopt in for allocations we replace
++ [9562c74e] Note if deopt offset -> index resolution fails
++ [4f08a861] Materialize objects with object attrs during deopt
++ [77f36083] Don't confuse deopt offsets and indices
++ [6e1bcce9] Merge materialization deopt info during inline
++ [f85ae3c2] Record registers holding attrs to use in deopt
++ [ae3de1b6] Sketch out creating deopt/materialization info
++ [edfc8ffe] Keep a set of tracked registers
++ [fe7930e4] Dump materialization data
++ [e9eb9b32] Target register goes with deopt point
++ [7ee34c23] Preparations for deopt materialization
++ [685ba324] Fix inline end annotation motion on BB deletion
++ [072bf4b6] Handle non-merge case of PHI
++ [ba1f7cf3] Make it easier to grep out the EA opts
++ [1bfdb947] Do guard elimination during scalar replacement
++ [d9a0dd8b] Allow flow control, but not loops
++ [c19afcd5] Walk graph in reverse postorder for PEA
++ [895b1b0e] Properly tweak CFG after control flow op rewrite
++ [66d96aec] Handle int64, num64, and str attributes in PEA
++ [ac8f2095] Implement minimal escape analysis and scalar replacement (PEA)
++ [4c191154] Add BOOTHash to spesh cheat list
++ [3f5204d7] Disable inlining when running the debug server
++ [7fc6be10] Add a limit on spesh plugin guard set size
++ [909d354c] Allow dead instruction elimination in inlines
++ [0fef86cb] Save deopt usage info when writing bytecode
++ [c5bc342e] Fix rakudo build failure on big endian architectures
++ [07fe8e4a] Teach optimize_smart_coerce About Boot Types
+
+6model:
++ [19515dbd] Fix segfault in dump_p6opaque when an attribute holds a VMArray
++ [d626337b] CStruct bindattr_i Opt Shall Release Its Temp Register
++ [6ecbeb1f] DU Chain Of CStruct bindattr_i Opt Was Wrong
++ [2bc5ce7b] Fix segfaults related to corrupted CStruct STables. Fixes issue #2564
++ [07de9219] Fix compiler warnings on some printf specifiers
++ [45d15efe] Turn elems On VMArray Into Direct Memory Access
+
+Core:
++ [682ca82f] Fix nativecall refresh clearing used child object pointers
++ [a6939d7c] randscale_n and rand_I are not pure ops, so don't mark them as such
++ [5431d50f] Ensure last_payload and plugin_guard_args are valid so spesh plugins can be used outside speshresolve
++ [600ded2b] Only read debug lexicals in bytecode version 6
++ [8c8b0b0f,600ded2b] Minimal handling of bytecode format version 6, Only read debug lexicals in bytecode version 6
++ [473324ee] Notice Specializable Instructions Everywhere In Bytecode
++ [1404d516] Support endian switching in writenum and readnum
+
+Debug Server:
++ [d66c0708] Use debug local names in debug server
+
+Documentation:
++ [6f92a01d] Specify debug name mapping bytecode format changes
+
+IO:
++ [631cfdf6] Call strerror for directory errors so we get error text not just an error code on POSIX platforms
+
+JIT:
++ [7ca62826] JIT compile getlexref_u*
++ [ce8249a3] Fix JITed extend_u8 accidentally extending 16 bits.
++ [ac078196] Fix rw args of native calls not getting updated if JIT compilation fails
++ [f818bd6d] Support double type arguments in NativeCall JIT
++ [f55ecdec] Fix harmless off-by-one preventing optimization
++ [e459d36b] Also JIT stat and lstat
++ [d6d057a2] Jit (open|read|close)_dir
++ [30ab2af3] Add op name to JIT "bailed completely" error
++ [583a2de8] LDLIBS should go after the source files, before output to fix TravisCI
++ [2ee7596d] Fix call to memcpy with NULL *src in lego JIT compiler
++ [45cf9013] Compile minilua with only the needed flags so it doesn't need to be compiled every time. See issue #999
++ [c9cd9880] Fix JIT compiled getcodename not always dieing on type objects
++ [caf7e4ff] Fix jump condition in JIT compiled getcodename
+
+Math:
++ [eccbc854] Make MoarVM compatible with old & new LibTomMath. Fixes issue #1034
++ [f7204a3e] Fix name collision with existing LibTomMath Function. Fixes issue #1032
+
+Ops:
++ [cbb6abc5] Add debug map state to MAST::Frame
++ [03304a37] Remove internal ops from MAST NQP modules
+
+Other:
++ [5ed7108d] Remove obsolete MAST compiler
++ [6b42653a] Add the MVM_SPESH_PEA_DISABLE envvar to turn PEA on/off
+
+Profiler:
++ [64d41cc1] Integrate scalar replacement with profiling
+
+Strings:
++ [ec8a240e] Remove some unused variables in utf16 decode to fix issue #1030
+
+Tooling/Build:
++ [f938f08c] Add some safety checks for macOS due to homebrew binutils and Xcode incompatibilities
++ [a1cfd702] Configure.pl: fix cross-compilation
++ [60c152f6] Create a GNU type TAR archive to fix archive extract using AIX `tar`
+
 New in 2018.12
 
 6model: