harfbuzz 2.7.2

git-svn-id: svn://tug.org/texlive/trunk@56205 c570f23f-e606-0410-a88d-b1316a301751

9 files changed, 110 insertions, 31 deletions

diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/ChangeLog b/Build/source/libs/harfbuzz/harfbuzz-src/ChangeLog
index ff6db630b18..32fbe469569 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/ChangeLog
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/ChangeLog
@@ -1,3 +1,76 @@
+commit 9c98b2b9a9e43669c5e2b37eaa41b1e07de1ede3
+Author: Khaled Hosny <khaledhosny@eglug.org>
+Date:   Sat Aug 29 00:39:42 2020 +0200
+
+    2.7.2
+
+ NEWS             | 9 ++++++++-
+ configure.ac     | 2 +-
+ meson.build      | 2 +-
+ src/hb-version.h | 4 ++--
+ 4 files changed, 12 insertions(+), 5 deletions(-)
+
+commit c0a76cb5192f6c334c6713444ac5a02d59faaf74
+Merge: fcddf3b9 a495a542
+Author: Khaled Hosny <dr.khaled.hosny@gmail.com>
+Date:   Sat Aug 29 00:14:01 2020 +0300
+
+    Merge pull request #2660 from harfbuzz/arabic-shaping-in-use
+    
+    [USE] Fix assertion failure for joining scripts
+
+commit a495a54236d69def7e8b1293f2887f18a6b2fecc
+Author: David Corbett <corbett.dav@northeastern.edu>
+Date:   Fri Aug 28 14:33:25 2020 -0400
+
+    Ignore T & U when determining the joining scripts
+
+ src/gen-arabic-joining-list.py                 | 2 ++
+ src/hb-ot-shape-complex-arabic-joining-list.hh | 1 -
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+commit 420a74f7725bec2d3d4688fda226163b06f9a564
+Author: David Corbett <corbett.dav@northeastern.edu>
+Date:   Fri Aug 28 14:11:48 2020 -0400
+
+    [USE] Fix assertion failure for joining scripts
+
+ src/hb-ot-shape-complex-use.cc             | 2 +-
+ test/shaping/data/in-house/tests/use.tests | 1 +
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+commit fcddf3b9b43e391a9ec33c823ef22827d18a1fb9
+Author: ebraminio <ebrahim@gnu.org>
+Date:   Fri Aug 14 10:19:33 2020 +0430
+
+    [docs] Minor in TESTING.md
+    
+    Start the fuzzer with test/fuzzing/fonts seeds
+
+ TESTING.md | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+commit 99b8a84cc50346b6788a67eadfe0ebe17545724a
+Author: ebraminio <ebrahim@gnu.org>
+Date:   Fri Aug 14 10:14:14 2020 +0430
+
+    [docs] Reorder TESTING.md sections
+    
+    And use --reconfigure where makes sense
+
+ TESTING.md | 42 ++++++++++++++++++++----------------------
+ 1 file changed, 20 insertions(+), 22 deletions(-)
+
+commit 1e48225ca312a955cc7f4a4b7683492e83d77117
+Author: ebraminio <ebrahim@gnu.org>
+Date:   Thu Aug 13 23:22:14 2020 +0430
+
+    [ENOMEM] Check whether serialize context isn't in error
+
+ src/hb-ot-shape-complex-arabic-fallback.hh                 |   4 ++--
+ ...uzz-testcase-minimized-hb-shape-fuzzer-5138182937772032 | Bin 0 -> 68 bytes
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
 commit 05ef75c55340400d4b318bd24d742653bbf825d9
 Author: Ebrahim Byagowi <ebrahim@gnu.org>
 Date:   Thu Aug 13 20:52:03 2020 +0430
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/NEWS b/Build/source/libs/harfbuzz/harfbuzz-src/NEWS
index 7816ea58e8b..f211a3781c9 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/NEWS
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/NEWS
@@ -1,5 +1,12 @@
+Overview of changes leading to 2.7.2
+Saturday, August 29, 2020
+====================================
+- Fix a regression in the previous release that caused a crash with Kaithi.
+- More OOM fixes.
+
+
 Overview of changes leading to 2.7.1
-Thursday, Aug 13, 2020
+Thursday, August 13, 2020
 ====================================
 - ot-funcs now handles variable empty glyphs better when hvar/vvar isn't present.
 - Reverted a GDEF processing regression.
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/TESTING.md b/Build/source/libs/harfbuzz/harfbuzz-src/TESTING.md
index bc5f80d10ec..c722834559d 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/TESTING.md
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/TESTING.md
@@ -1,56 +1,54 @@
-## Build & Run
+## Build and Test
+
+```shell
+meson build
+ninja -Cbuild
+meson test -Cbuild
+```
+
+### Debug with GDB
+
+```shell
+meson test -Cbuild --gdb testname
+```
+
+## Build and Run
 
 Depending on what area you are working in change or add `HB_DEBUG_<whatever>`.
 Values defined in `hb-debug.hh`.
 
 ```shell
-CPPFLAGS='-DHB_DEBUG_SUBSET=100' meson setup build
+CPPFLAGS='-DHB_DEBUG_SUBSET=100' meson setup build --reconfigure
 meson test -C build
 ```
 
 ### Run tests with asan
 
 ```shell
-meson setup build -Db_sanitize=address
+meson setup build -Db_sanitize=address --reconfigure
 meson compile -C build
 meson test -C build
 ```
 
-### Debug with GDB
-
-```
-meson setup build
-meson compile -C build
-meson test -C build --gdb testname
-```
-
 ### Enable Debug Logging
 
 ```shell
-CPPFLAGS=-DHB_DEBUG_SUBSET=100 meson build
+CPPFLAGS=-DHB_DEBUG_SUBSET=100 meson build --reconfigure
 ninja -C build
 ```
 
-## Build and Test
-
-```shell
-meson build
-ninja -Cbuild
-meson test -Cbuild
-```
-
 ## Test with the Fuzzer
 
 ```shell
-CXXFLAGS="-fsanitize=address,fuzzer-no-link" meson build --default-library=static -Dfuzzer_ldflags="-fsanitize=address,fuzzer" -Dexperimental_api=true
-ninja -C build test/fuzzing/hb-{shape,draw,subset,set}-fuzzer
-build/test/fuzzing/hb-subset-fuzzer
+CXXFLAGS="-fsanitize=address,fuzzer-no-link" meson fuzzbuild --default-library=static -Dfuzzer_ldflags="-fsanitize=address,fuzzer" -Dexperimental_api=true
+ninja -Cfuzzbuild test/fuzzing/hb-{shape,draw,subset,set}-fuzzer
+fuzzbuild/test/fuzzing/hb-subset-fuzzer test/fuzzing/fonts
 ```
 
 ## Profiling
 
 ```
-meson build
+meson build --reconfigure
 meson compile -C build
 build/perf/perf
 ```
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/configure.ac b/Build/source/libs/harfbuzz/harfbuzz-src/configure.ac
index 53eb80f2ad8..a3c8a61a03e 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/configure.ac
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [2.7.1],
+        [2.7.2],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/meson.build b/Build/source/libs/harfbuzz/harfbuzz-src/meson.build
index 2c477737b32..bf3925dbc88 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/meson.build
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/meson.build
@@ -1,6 +1,6 @@
 project('harfbuzz', 'c', 'cpp',
   meson_version: '>= 0.47.0',
-  version: '2.7.1',
+  version: '2.7.2',
   default_options: [
     'cpp_eh=none',          # Just to support msvc, we are passing -fno-rtti also anyway
     'cpp_rtti=false',       # Just to support msvc, we are passing -fno-exceptions also anyway
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/gen-arabic-joining-list.py b/Build/source/libs/harfbuzz/harfbuzz-src/src/gen-arabic-joining-list.py
index 78c44c35db8..8162a4a3e26 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/gen-arabic-joining-list.py
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/gen-arabic-joining-list.py
@@ -54,6 +54,8 @@ def read_joining_uu (f):
 		fields = [x.strip () for x in line.split (';')]
 		if len (fields) == 1:
 			continue
+		if fields[2] in {'T', 'U'}:
+			continue
 
 		values.add (int (fields[0], 16))
 
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-arabic-fallback.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-arabic-fallback.hh
index 262ab8a1fab..244e967b12d 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-arabic-fallback.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-arabic-fallback.hh
@@ -92,7 +92,7 @@ arabic_fallback_synthesize_lookup_single (const hb_ot_shape_plan_t *plan HB_UNUS
 				       hb_array (substitutes, num_glyphs));
   c.end_serialize ();
 
-  return ret ? c.copy<OT::SubstLookup> () : nullptr;
+  return ret && !c.in_error () ? c.copy<OT::SubstLookup> () : nullptr;
 }
 
 static OT::SubstLookup *
@@ -170,7 +170,7 @@ arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UN
   c.end_serialize ();
   /* TODO sanitize the results? */
 
-  return ret ? c.copy<OT::SubstLookup> () : nullptr;
+  return ret && !c.in_error () ? c.copy<OT::SubstLookup> () : nullptr;
 }
 
 static OT::SubstLookup *
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-arabic-joining-list.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-arabic-joining-list.hh
index 1403103336d..c022d4bb06b 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-arabic-joining-list.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-arabic-joining-list.hh
@@ -25,7 +25,6 @@ has_arabic_joining (hb_script_t script)
     case HB_SCRIPT_ARABIC:
     case HB_SCRIPT_CHORASMIAN:
     case HB_SCRIPT_HANIFI_ROHINGYA:
-    case HB_SCRIPT_KAITHI:
     case HB_SCRIPT_MANDAIC:
     case HB_SCRIPT_MANICHAEAN:
     case HB_SCRIPT_MONGOLIAN:
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-use.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-use.cc
index 981df2d5970..a1e25bdd806 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-use.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-use.cc
@@ -36,7 +36,7 @@
 #include "hb-ot-shape-complex-vowel-constraints.hh"
 
 /* buffer var allocations */
-#define use_category() complex_var_u8_0()
+#define use_category() complex_var_u8_1()
 
 
 /*