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(const_binop): Don't call size_int if low < 0.

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From-SVN: r13617
This commit is contained in:
Richard Kenner 1997-02-07 13:10:26 -05:00
parent 88029ff857
commit 580ceef20e
1 changed files with 1 additions and 1 deletions
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gcc/fold-const.c
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@ -1212,7 +1212,7 @@ const_binop (code, arg1, arg2, notrunc)
}
got_it:
if (TREE_TYPE (arg1) == sizetype && hi == 0
&& low <= TREE_INT_CST_LOW (TYPE_MAX_VALUE (sizetype))
&& low >= 0 && low <= TREE_INT_CST_LOW (TYPE_MAX_VALUE (sizetype))
&& ! overflow
&& ! TREE_OVERFLOW (arg1) && ! TREE_OVERFLOW (arg2))
t = size_int (low);