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* fold-const.c (fold_binary): Correct warning for X - c >= X.

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From-SVN: r123172
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Ian Lance Taylor 2007-03-23 23:21:46 +00:00 committed by Ian Lance Taylor
parent ed3d212ba2
commit f870ab63f9
2 changed files with 5 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2007-03-23 Ian Lance Taylor <iant@google.com>
* fold-const.c (fold_binary): Correct warning for X - c >= X.
2007-03-23 Ian Lance Taylor <iant@google.com>
* tree-dump.c (dump_files): Correct comment.

2
gcc/fold-const.c
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@ -11802,7 +11802,7 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1)
if (TYPE_OVERFLOW_UNDEFINED (TREE_TYPE (arg1)))
fold_overflow_warning (("assuming signed overflow does "
"not occur when assuming that "
"(X - c) >= X is always true"),
"(X - c) >= X is always false"),
WARN_STRICT_OVERFLOW_ALL);
return constant_boolean_node (0, type);
}