(may_trap_p, case EXPR_LIST): New case.

From-SVN: r7983

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 188fb93a15903b7659823c0578457839998074bb..d52bd646686ff1c83c5d911213522d575d53cf7f 100644 (file)
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -1603,6 +1603,10 @@ may_trap_p (x)
         we can link this file into other programs.  */
       if (GET_CODE (XEXP (x, 1)) == CONST_INT && INTVAL (XEXP (x, 1)) == 0)
        return 1;
+    case EXPR_LIST:
+      /* An EXPR_LIST is used to represent a function call.  This
+        certainly may trap.  */
+      return 1;
     default:
       /* Any floating arithmetic may trap.  */
       if (GET_MODE_CLASS (GET_MODE (x)) == MODE_FLOAT)