(range_binop): Set SNG1 to zero if ARG1 is a not a lower or upper

bound. From-SVN: r13161

(range_binop): Set SNG1 to zero if ARG1 is a not a lower or upper
bound. From-SVN: r13161
4e644c93 · Richard Kenner · 9a666dda · 4e644c93
Commit 4e644c93 authored Nov 15, 1996 by Richard Kenner
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gcc/fold-const.c
+1 -1

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--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -2669,7 +2669,7 @@ range_binop (code, type, arg0, upper0_p, arg1, upper1_p)
     for neither.  Then compute our result treating them as never equal
     and comparing bounds to non-bounds as above.  */
  sgn0 = arg0 != 0 ? 0 : (upper0_p ? 1 : -1);
-  sgn1 = arg1 != 0 ? 1 : (upper1_p ? 1 : -1);
+  sgn1 = arg1 != 0 ? 0 : (upper1_p ? 1 : -1);
  switch (code)
    {
    case EQ_EXPR:  case NE_EXPR: