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Date: Sun, 19 May 2002 21:26:00 -0000
From: r.hautz@inn-salzach.de
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Subject: java/6729: Compiler error causing break of java.lang.Character.isWhitespace
X-SW-Source: 2002-05/txt/msg00582.txt.bz2
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>Number:         6729
>Category:       java
>Synopsis:       Compiler error causing break of java.lang.Character.isWhitespace
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          wrong-code
>Submitter-Id:   net
>Arrival-Date:   Sun May 19 21:26:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Roland Hautz
>Release:        3.2 20020516 (experimental)
>Organization:
>Environment:
System: Linux isabella 2.4.18-4GB #1 Wed Mar 27 13:57:05 UTC 2002 i586 unknown
Architecture: i586

	
host: i586-pc-linux-gnu
build: i586-pc-linux-gnu
target: i586-pc-linux-gnu
configured with: /home/roland/gcc/configure --enable-threads=posix --enable-languages=c,c++,java
>Description:
I tracked down the reason, why java.io.StreamTokenizer can't parse
numbers any longer. The testcase is narrowed from
java.lang.Character.isWhitespace, which is returning true on digits
because of this bug.

I consider this to be of high priority.
>How-To-Repeat:
# gcj -g --main=HelloWorld HelloWorld.java
# ./a.out 
this should be false: true

public class HelloWorld {

    static int attr = 0x9;

    public static void main(String [] args) {
	boolean res = ( ( 1 << attr ) & 0x1000 ) != 0	;
     	System.out.println("this should be "+res+": "+isWhite());
    }

    public static boolean isWhite() {
	return ( ( 1 << attr ) & 0x1000 ) != 0 ;
    }

}
>Fix:
	
>Release-Note:
>Audit-Trail:
>Unformatted: