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commit bash-20111028 snapshot

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This commit is contained in:
Chet Ramey
2012-01-09 08:31:05 -05:00
parent 3d4f66ca82
commit 77638cbf4e
36 changed files with 6981 additions and 3273 deletions
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expr.c
+16 -2
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@@ -494,10 +494,16 @@ expassign ()
lvalue *= value;
break;
case DIV:
lvalue /= value;
if (lvalue == INTMAX_MIN && value == -1)
value = 1;
else
lvalue /= value;
break;
case MOD:
lvalue %= value;
if (lvalue == INTMAX_MIN && value == -1)
lvalue = 0;
else
lvalue %= value;
break;
case PLUS:
lvalue += value;
@@ -811,6 +817,7 @@ exp2 ()
val2 = exppower ();
/* Handle division by 0 and twos-complement arithmetic overflow */
if (((op == DIV) || (op == MOD)) && (val2 == 0))
{
if (noeval == 0)
@@ -818,6 +825,13 @@ exp2 ()
else
val2 = 1;
}
else if (op == MOD && val1 == INTMAX_MIN && val2 == -1)
{
val1 = 0;
continue;
}
else if (op == DIV && val1 == INTMAX_MIN && val2 == -1)
val2 = 1;
if (op == MUL)
val1 *= val2;