Revert SIGABRT handler in Ruby+OMR Preview

0001-Revert.patch

From 595dfc0c2b55e5b5da418c4f80d4922817822b74 Mon Sep 17 00:00:00 2001
From: Matthew Gaudet <magaudet@ca.ibm.com>
Date: Mon, 5 Dec 2016 09:38:57 -0500
Subject: [PATCH] Revert "Register a handler for sigabrt."

---
 signal.c | 23 -----------------------
 1 file changed, 23 deletions(-)

diff --git a/signal.c b/signal.c
index dfe359f..93383ed 100644
--- a/signal.c
+++ b/signal.c
@@ -928,17 +928,6 @@ check_reserved_signal_(const char *name, size_t name_len)
 }
 #endif
 
-#ifdef SIGABRT
-static RETSIGTYPE
-sigabrt(int sig SIGINFO_ARG)
-{
-    /* Immediately reinstall the default signal handler.
-     * This way, rb_bug or any other error will successfully core dump. */
-    ruby_signal(sig, SIG_DFL);
-    rb_bug("Abort" MESSAGE_FAULT_ADDRESS); /* Will recursively abort. */
-}
-#endif /* SIGABRT */
-
 static void
 signal_exec(VALUE cmd, int safe, int sig)
 {
@@ -1061,11 +1050,6 @@ default_handler(int sig)
         func = (sighandler_t)sigsegv;
         break;
 #endif
-#if defined(OMR) && defined(SIGABRT)
-      case SIGABRT:
-        func = (sighandler_t)sigabrt;
-        break;
-#endif
 #ifdef SIGPIPE
       case SIGPIPE:
         func = SIG_IGN;
@@ -1228,10 +1212,6 @@ reserved_signal_p(int signo)
     if (signo == SIGSEGV)
 	return 1;
 #endif
-#ifdef SIGABRT
-    if (signo == SIGABRT)
-        return 1;
-#endif
 #ifdef SIGBUS
     if (signo == SIGBUS)
 	return 1;
@@ -1484,9 +1464,6 @@ Init_signal(void)
 # endif
 	install_sighandler(SIGSEGV, (sighandler_t)sigsegv);
 #endif
-#ifdef SIGABRT
-        install_sighandler(SIGABRT, (sighandler_t)sigabrt);
-#endif
     }
 #ifdef SIGPIPE
     install_sighandler(SIGPIPE, SIG_IGN);
-- 
2.7.4