[backport gcc-4.9/trunk r198218, fixes PR57050 regression from PR56982 fix <mikpe@it.uu.se>]

gcc/testsuite/

2013-04-24  Richard Biener  <rguenther@suse.de>

	PR testsuite/57050
	* gcc.c-torture/execute/pr56982.c: Avoid sigjmp_buf use.

--- gcc-4.8.0/gcc/testsuite/gcc.c-torture/execute/pr56982.c.~1~	2013-04-30 11:59:29.747842391 +0200
+++ gcc-4.8.0/gcc/testsuite/gcc.c-torture/execute/pr56982.c	2013-04-30 11:59:54.427731632 +0200
@@ -1,8 +1,10 @@
-#include <stdlib.h>
 #include <setjmp.h>
 
-static sigjmp_buf env;
-void *stderr;
+extern void abort (void);
+extern void exit (int);
+
+static jmp_buf env;
+
 void baz (void)
 {
   __asm__ volatile ("" : : : "memory");