[newlib-cygwin] Fix compiler errors/warnings when compiling with -O3

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=67364cbfd92058a32e11331702255e8bec835e37

commit 67364cbfd92058a32e11331702255e8bec835e37
Author: Corinna Vinschen <cori...@vinschen.de>
Date:   Tue Oct 20 12:33:13 2015 +0200

    Fix compiler errors/warnings when compiling with -O3
    
        * fhandler_socket.cc (fhandler_socket::wait_for_events): Fix compiler
        warning in -O3 case.
        (fhandler_socket::connect): Ditto.
        * regex/regcomp.c (singleton): Ditto.
    
    Signed-off-by: Corinna Vinschen <cori...@vinschen.de>

Diff:
---
 winsup/cygwin/ChangeLog          | 7 +++++++
 winsup/cygwin/fhandler_socket.cc | 4 ++--
 winsup/cygwin/regex/regcomp.c    | 2 +-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 2c59cd9..59c7ca1 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+2015-09-23  Evgeny Grin  <k...@yandex.ru>
+
+       * fhandler_socket.cc (fhandler_socket::wait_for_events): Fix compiler
+       warning in -O3 case.
+       (fhandler_socket::connect): Ditto.
+       * regex/regcomp.c (singleton): Ditto.
+
 2015-09-08  Corinna Vinschen  <cori...@vinschen.de>
 
        * flock.cc (lockf_t::create_lock_obj_attr): Add buffer parameter.
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc
index ecb6198..658dca7 100644
--- a/winsup/cygwin/fhandler_socket.cc
+++ b/winsup/cygwin/fhandler_socket.cc
@@ -746,7 +746,7 @@ fhandler_socket::wait_for_events (const long event_mask, 
const DWORD flags)
     return 0;
 
   int ret;
-  long events;
+  long events = 0;
 
   while (!(ret = evaluate_events (event_mask, events, !(flags & MSG_PEEK)))
         && !events)
@@ -1160,7 +1160,7 @@ int
 fhandler_socket::connect (const struct sockaddr *name, int namelen)
 {
   struct sockaddr_storage sst;
-  int type;
+  int type = 0;
 
   if (get_inet_addr (name, namelen, &sst, &namelen, &type, connect_secret)
       == SOCKET_ERROR)
diff --git a/winsup/cygwin/regex/regcomp.c b/winsup/cygwin/regex/regcomp.c
index d68dcc3..554b43a 100644
--- a/winsup/cygwin/regex/regcomp.c
+++ b/winsup/cygwin/regex/regcomp.c
@@ -1246,7 +1246,7 @@ freeset(struct parse *p, cset *cs)
 static wint_t
 singleton(cset *cs)
 {
-       wint_t i, s, n;
+       wint_t i, s = OUT, n;
 
        for (i = n = 0; i < NC; i++)
                if (CHIN(cs, i)) {