Issue #12785 has been updated by Tomoyuki Chikanaga.

Backport changed from 2.1: REQUIRED, 2.2: DONE, 2.3: REQUIRED to 2.1: REQUIRED, 2.2: DONE, 2.3: DONE

ruby_2_3 r57565 merged revision(s) 56224.

----------------------------------------
Bug #12785: misc/test_ruby_mode.rb failed with emacs 25.1.1
https://bugs.ruby-lang.org/issues/12785#change-62898

* Author: Kazuhiro NISHIYAMA
* Status: Closed
* Priority: Normal
* Assignee: Nobuyoshi Nakada
* Target version: 
* ruby -v: trunk
* Backport: 2.1: REQUIRED, 2.2: DONE, 2.3: DONE
----------------------------------------
When emacs is 25.1.1, test/misc/test_ruby_mode.rb causes 8 failures.

```
vagrant@archlinux:~/ruby/build$ make test-all TESTS=misc/test_ruby_mode.rb
        CC = ccache gcc
        LD = ld
        LDSHARED = ccache gcc -shared
        CFLAGS = -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wno-tautological-compare -Wno-parentheses-equality -Wno-constant-logical-operand -Wno-self-assign -Wunused-variable -Werror=implicit-int -Werror=pointer-arith -Werror=write-strings -Werror=declaration-after-statement -Werror=implicit-function-declaration -Werror=deprecated-declarations -Wno-packed-bitfield-compat -Wsuggest-attribute=noreturn -Wsuggest-attribute=format -std=gnu99  -fPIC
        XCFLAGS = -D_FORTIFY_SOURCE=2 -fstack-protector -fno-strict-overflow -fvisibility=hidden -fexcess-precision=standard -DRUBY_EXPORT
        CPPFLAGS = -DRUBY_DEBUG_ENV -DARRAY_DEBUG   -I. -I.ext/include/x86_64-linux -I../include -I.. -I../enc/unicode/9.0.0
        DLDFLAGS = -Wl,-soname,libruby.so.2.4  -fstack-protector
        SOLIBS = -lpthread -lgmp -ldl -lcrypt -lm
組み込み spec を使用しています。
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/6.2.1/lto-wrapper
ターゲット: x86_64-pc-linux-gnu
configure 設定: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --enable-libmpx --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --enable-gnu-indirect-function --disable-multilib --disable-werror --enable-checking=release
スレッドモデル: posix
gcc バージョン 6.2.1 20160830 (GCC)
Run options: "--ruby=./miniruby -I../lib -I. -I.ext/common  ../tool/runruby.rb --extout=.ext  -- --disable-gems" --excludes-dir=../test/excludes --name=!/memory_leak/

# Running tests:

[1/9] TestRubyMode::TestIndent#test_array_after_paren_and_space = 0.08 s
  1) Failure:
TestRubyMode::TestIndent#test_array_after_paren_and_space [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:156]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[2/9] TestRubyMode::TestIndent#test_array_literal = 0.08 s
  2) Failure:
TestRubyMode::TestIndent#test_array_literal [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:123]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[3/9] TestRubyMode::TestIndent#test_begin_end = 0.08 s
  3) Failure:
TestRubyMode::TestIndent#test_begin_end [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:144]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[4/9] TestRubyMode::TestIndent#test_expr_in_regexp = 0.08 s
  4) Failure:
TestRubyMode::TestIndent#test_expr_in_regexp [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:98]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[5/9] TestRubyMode::TestIndent#test_keyword_label = 0.08 s
  5) Failure:
TestRubyMode::TestIndent#test_keyword_label [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:72]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[6/9] TestRubyMode::TestIndent#test_method_with_question_mark = 0.08 s
  6) Failure:
TestRubyMode::TestIndent#test_method_with_question_mark [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:86]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[7/9] TestRubyMode::TestIndent#test_simple = 0.08 s
  7) Failure:
TestRubyMode::TestIndent#test_simple [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:58]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

[9/9] TestRubyMode::TestIndent#test_spread_arguments = 0.08 s
  8) Failure:
TestRubyMode::TestIndent#test_spread_arguments [/home/vagrant/ruby/test/misc/test_ruby_mode.rb:172]:
Expected /^Wrote / to match "Indenting region...\nIndenting region...done\n".

Finished tests in 0.670478s, 13.4233 tests/s, 64.1334 assertions/s.
9 tests, 43 assertions, 8 failures, 0 errors, 1 skips

ruby -v: ruby 2.4.0dev (2016-09-22 trunk 56204) [x86_64-linux]
make: *** [uncommon.mk:623: yes-test-all] エラー 8
vagrant@archlinux:~/ruby/build$ emacs --version
GNU Emacs 25.1.1
Copyright (C) 2016 Free Software Foundation, Inc.
GNU Emacs comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of GNU Emacs
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING.
```



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