[ARM] PR 62066: Call va_end on early return from va_list processing function

	PR target/62066
	* config/arm/arm-builtins.c (arm_expand_neon_args): Call va_end before
	early return 0.

From-SVN: r219763

gcc/ChangeLog

+2015-01-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR target/62066
+	* config/arm/arm-builtins.c (arm_expand_neon_args): Call va_end before
+	early return 0.
+
 2015-01-16  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	* sanitizer.def (BUILT_IN_TSAN_VPTR_UPDATE): Fixed parameters.

gcc/config/arm/arm-builtins.c

@@ -2064,7 +2064,10 @@ arm_expand_neon_args (rtx target, machine_mode map_mode, int fcode,
             case NEON_ARG_MEMORY:
 	      /* Check if expand failed.  */
 	      if (op[argc] == const0_rtx)
+	      {
+		va_end (ap);
 		return 0;
+	      }
 	      gcc_assert (MEM_P (op[argc]));
 	      PUT_MODE (op[argc], mode[argc]);
 	      /* ??? arm_neon.h uses the same built-in functions for signed