This adds a separate CI build that enables -Werror for clang.
This also fixes all of the -Wall -Wextra warnings in the tests, and all the
-Wextra-semi warnings as well.
* ICU-13530 copy C/C++ files UTrie2 -> UTrie3
X-SVN-Rev: 40754
* ICU-13530 UTrie3 new files copied from UTrie2: rename types/functions/macros
X-SVN-Rev: 40755
* ICU-13530 debug-print building each UTrie2
X-SVN-Rev: 40756
* ICU-13530 remove two-byte-UTF-8 errorValue block; move highValue from end of data array into header; add errorValue to header
X-SVN-Rev: 40762
* ICU-13530 UTrie3 U16_NEXT/PREV: errorValue for unpaired surrogates
X-SVN-Rev: 40763
* ICU-13530 no more separate values for lead surrogate code units
X-SVN-Rev: 40764
* ICU-13530 change from 11:5 trie bits to 10:6 for simpler UTF-8 code
X-SVN-Rev: 40766
* ICU-13530 UTrie2 build UTrie3 as well, print sizes
X-SVN-Rev: 40767
* ICU-13530 debug-print countSame, sumOverlaps, countInitial
X-SVN-Rev: 40768
* ICU-13530 debug-print whether trie is for CanonIterData
X-SVN-Rev: 40769
* ICU-13530 no index-shift for BMP data, no separate index-2 for 2-byte UTF-8; builder changes incomplete
X-SVN-Rev: 40777
* ICU-13530 remove errorValue and highStart from UNewTrie3
X-SVN-Rev: 40778
* ICU-13530 rewrite UTrie3 builder code
X-SVN-Rev: 40783
* ICU-13530 UTrie3 bug fixes
X-SVN-Rev: 40788
* ICU-13530 fully re-inline _UTRIE3_U8_NEXT()
X-SVN-Rev: 40790
* ICU-13530 find most common all-same data block for dataNullBlock and initialValue
X-SVN-Rev: 40792
* ICU-13530 UTrie3 iterator functions take start and return the end of a range, rather than callback call for each range
X-SVN-Rev: 40800
* ICU-13530 mask off unused data value bits before building a UTrie3 with values less than 32 bits wide
X-SVN-Rev: 40803
* ICU-13530 split utrie3builder.h out of utrie3.h
X-SVN-Rev: 40804
* ICU-13530 separate types UTrie3 vs. UTrie3Builder, implement builder as wrapper over C++ class Trie3Builder in .cpp
X-SVN-Rev: 40809
* ICU-13530 function to make a UTrie3Builder from a UTrie3
X-SVN-Rev: 40810
* ICU-13530 debug-print some data; some cleanup
X-SVN-Rev: 40865
* ICU-13530 BMP 10:6 but supplementary 10:6:4
X-SVN-Rev: 40984
* ICU-13530 move errorValue & highValue to the end of the data table, minimal padding to 4 bytes
X-SVN-Rev: 41011
* ICU-13530 index-1 table gap of index-2 null blocks
X-SVN-Rev: 41018
* ICU-13530 test with more than 128k compacted data
X-SVN-Rev: 41034
* ICU-13530 supplementary bits 11:5:4 saves a little space
X-SVN-Rev: 41039
* ICU-13530 supplementary bits 6:5:5:4 instead of gap: about same size but simpler
X-SVN-Rev: 41050
* ICU-13530 remove unnecessary utrie3_clone(built trie)
X-SVN-Rev: 41058
* ICU-13530 remove unnecessary UTrie3StringIterator
X-SVN-Rev: 41059
* ICU-13530 back to UTRIE3_GET...() macros *returning* data values
X-SVN-Rev: 41060
* ICU-13530 fast vs. small
X-SVN-Rev: 41066
* ICU-13530 always load NFC data, add simple normalization performance test
X-SVN-Rev: 41110
* ICU-13530 change normalization main trie to UTrie3 with special values for lead surrogates; forbid non-inert surrogate code *points* because unable to store values different from code *units*; runtime code work around that for code point lookup and iteration; adjust UTS 46 for normalization no longer mapping unpaired surrogates to U+FFFD
X-SVN-Rev: 41122
* ICU-13530 simplenormperf bug fix and NFC base line
X-SVN-Rev: 41126
* ICU-13530 move normalization getRange skipping lead surrogates to API getRangeSkipLead()
X-SVN-Rev: 41182
* ICU-13530 switch CanonIterData and gennorm2 Norms to UTrie3
X-SVN-Rev: 41183
* ICU-13530 remove unused overwrite parameter from setRange()
X-SVN-Rev: 41184
* ICU-13530 getRange skip lead -> fixed surrogates
X-SVN-Rev: 41219
* ICU-13530 minor cleanup
X-SVN-Rev: 41221
* ICU-13530 UTS 46 code map unpaired surrogates to U+FFFD before normalization
X-SVN-Rev: 41224
* ICU-13530 minor internal-docs cleanup
X-SVN-Rev: 41225
* ICU-13530 rename UTrie3 to UCPTrie, and other name changes
X-SVN-Rev: 41226
* ICU-13530 add 8-bit data option; add type-any & valueBits-any for fromBinary(); macros consistently source type then data width
X-SVN-Rev: 41234
* ICU-13530 scrub the API docs for the proposal
X-SVN-Rev: 41319
* ICU-13530 tag internal definitions as such, or move them to an internal header
X-SVN-Rev: 41320
* ICU-13530 Java API skeleton
X-SVN-Rev: 41326
* ICU-13530 API feedback: ValueWidth, MutableCodePointTrie, base CodePointMap, ...
X-SVN-Rev: 41382
* ICU-13530 add UCPTrie valueWidth field and padding, and combine data pointers into a union
X-SVN-Rev: 41408
* ICU-13530 switch some macros to using dataAccess parameter: separate index vs. data lookups, no macro variant for each value width
X-SVN-Rev: 41409
* ICU-13530 StringIterator is no longer a java.util.Iterator (bad fit)
X-SVN-Rev: 41455
* ICU-13530 CodePointTrie.java code complete
X-SVN-Rev: 41518
* ICU-13530 finish Java port incl test; keep C++ parallel
* ICU-13530 adjust API for feedback: rename HandleValue to FilterValue, change getRange+getRangeFixedSurr(bool allSurr) to enum RangeOption+getRange(enum option); change remaining C macros to use dataAccess for 16/32/8-bit value widths; fix/clarify some API docs
* ICU-13530 add javadoc
* ICU-13530 document UCPTrie binary data format
* ICU-13530 update .nrm formatVersion 3->4, document change in surrogate handling with new trie
* ICU-13530 re-hardcode NFC data
* move trie swapper code into new file; add new files to Windows project files; turn off trie debugging
* ICU-13530 minor cleanup
* ICU-13530 test more range starts; fix a C test leak
* ICU-13530 regenerate Java data from scratch
* ICU-13530 review feedback changes: API docs typos, more @internal, C++11 field initializers, fix potential leak in MutableCodePointTrie::fromUCPTrie()
* ICU-13530 rename interface FilterValue to ValueFilter
