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* configure.in (UNREACHABLE): gcc 4.4 eliminates unreachable code

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if -O3 is given.
* win32/win32.c (child_result): dropped colon.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35324 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-04-14 03:55:06 +00:00
parent c26ea74ad6
commit d2e2b309e8
3 changed files with 10 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Sat Apr 14 12:55:03 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (UNREACHABLE): gcc 4.4 eliminates unreachable code
if -O3 is given.
* win32/win32.c (child_result): dropped colon.
Sat Apr 14 10:45:18 2012 NARUSE, Yui <naruse@ruby-lang.org> Sat Apr 14 10:45:18 2012 NARUSE, Yui <naruse@ruby-lang.org>
* lib/webrick/server.rb (WEBrick::GenericServer#start): * lib/webrick/server.rb (WEBrick::GenericServer#start):

2
configure.in
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@ -912,11 +912,13 @@ if test "$GCC" = yes; then
fi fi
AC_CACHE_CHECK(for __builtin_unreachable, rb_cv_func___builtin_unreachable, AC_CACHE_CHECK(for __builtin_unreachable, rb_cv_func___builtin_unreachable,
[RUBY_WERROR_FLAG(
[AC_TRY_LINK([@%:@include <stdlib.h>], [AC_TRY_LINK([@%:@include <stdlib.h>],
[exit(0); __builtin_unreachable();], [exit(0); __builtin_unreachable();],
[rb_cv_func___builtin_unreachable=yes], [rb_cv_func___builtin_unreachable=yes],
[rb_cv_func___builtin_unreachable=no]) [rb_cv_func___builtin_unreachable=no])
]) ])
])
if test "$rb_cv_func___builtin_unreachable" = yes; then if test "$rb_cv_func___builtin_unreachable" = yes; then
AC_DEFINE_UNQUOTED(UNREACHABLE, [__builtin_unreachable()]) AC_DEFINE_UNQUOTED(UNREACHABLE, [__builtin_unreachable()])
fi fi

2
win32/win32.c
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@ -1079,7 +1079,7 @@ child_result(struct ChildRecord *child, int mode)
GetExitCodeProcess(child->hProcess, &exitcode); GetExitCodeProcess(child->hProcess, &exitcode);
CloseChildHandle(child); CloseChildHandle(child);
_exit(exitcode); _exit(exitcode);
default default:
UNREACHABLE; UNREACHABLE;
} }
} }