Bump MoarVM to get Unicode v12.1 update

Changes: 2019.07-17-ga7563e71b..2019.07.1-50-gb614a7b4d
b614a7b4d Update collation data to Unicode 12.1
e4b87265b Add reference to roast Unicode update instructions
c390b30cc Fix possible access to fromspace in MVM_coerce_sI
8f425147a Update Unicode to 12.1
ca9d44f2e Fix possible access to fromspace in MVM_repr_dimensions
07f6305f4 Fix possible access to fromspace in string_index_ignore_case
6730e51f9 Fix possible access to fromspace in knuth_morris_pratt_string_index
e0bc6e2f1 Fix slurpy arg handling possibly accessing an outdated arg context
e78080f67 Fix possible access to fromspace in final_strand_match_with_repetition_count
64a6f69c9 Fix possible invalid memory access when throwing exceptions
a001b7e4c Fix many memory corruption issues in bigint operations
4ab1d425e Fix autobox possibly writing to an outdated target
f18bfadbe Add missing MVMROOT in MVM_spesh_plugin_register
0a12e3c4e Fix ConcBlockingQueue possibly unshifting an outdated item pointer
348d1b4d9 Update ChangeLog for release
942dd3e89 Fix update-changelog to work from HEAD not master
1c2747724 confprog: don't return null from filename()
79d211893 Bump level until after instrumenting
36cb624e5 Avoid various races in profile/coverage//debug
7360ee5db Fix GC rooting in MVM_platform_uname
cb5787aa9 Fix possible memory corruption in bindkey_*
2911ec7e4 Fix GC rooting in MVM_platform_uname
57a6d475b Add a missing gc root for asyncsocket listen setup
bf3c6a97d Fix warning about directive in format string
85ce8ecc1 if getaddrinfo in debugserver fails, get better error
b1bb93490 make debugserver errors/output clearer with "Debugserver:"
58c54a1ff Unbreak debugger instrumentation
d80e296c8 Unbreak debugger instrumentation
0082687ec Fix possible memory corruption in bindkey_*
81e30b4bc Bump version for point release
052966bb8 Init debug socket for Windows
cfead8e2d Only use -fno-ret-protector with Clang on OpenBSD if the JIT is enabled
df2263301 confprog: add band_i, bor_i, bxor_i ops
8f4997b36 Fix dealloc profile logging
536cff8b9 Put limits on local and inline counts for inlining
2501678a3 Fix Configure.pl failing when --prefix /usr is passed
e99af058b Fix pointer arithmetic in inlined CArrays in CStruct/CPPStruct REPRs
7a0b5874e Init debug socket for Windows
9e6abe465 Use a decode_handler function for decodestream
fc56c02c5 Use a decode_handler function for decodestream
563ae540f Decrease code complexity
87948fe78 Only use -fno-ret-protector with Clang on OpenBSD if the JIT is enabled
75f1c965f Fixed an overflow problem
9213f2f02 Fix duplicate includes
73f28d386 Add GB2312 encode, decode and decodestream support

tools/templates/MOAR_REVISION

@@ -1 +1 @@
-2019.07-17-ga7563e71b
+2019.07.1-50-gb614a7b4d