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re PR java/31842 (r124338 causes java Divide_1 and pr6388 to fail)

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PR java/31842
	* java/lang/natString.cc (_Jv_FormatInt): Avoid undefined signed
	overflow.

From-SVN: r124531
This commit is contained in:
Ian Lance Taylor
2007-05-08 00:30:27 +00:00
committed by Ian Lance Taylor
parent c04c5348ef
commit e974785db0
2 changed files with 10 additions and 4 deletions
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6
libjava/ChangeLog
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@@ -1,3 +1,9 @@
2007-05-07 Ian Lance Taylor <iant@google.com>
PR java/31842
* java/lang/natString.cc (_Jv_FormatInt): Avoid undefined signed
overflow.
2007-03-25 David Daney <ddaney@avtrex.com>
PR libgcj/31228

8
libjava/java/lang/natString.cc
View File

@@ -371,11 +371,11 @@ _Jv_FormatInt (jchar* bufend, jint num)
if (num < 0)
{
isNeg = true;
num = -(num);
if (num < 0)
if (num != (jint) -2147483648U)
num = -(num);
else
{
// Must be MIN_VALUE, so handle this special case.
// FIXME use 'unsigned jint' for num.
// Handle special case of MIN_VALUE.
*--ptr = '8';
num = 214748364;
}