Re: Mauve harness failure on s390

["Raif S. Naffah" <raif at fl dot net dot au>]

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hello Ulrich,

On Friday 31 January 2003 12:45, Ulrich Weigand wrote:
> ...compiling the test harness will generate
> compiler warnings that cause the test suite run to be aborted.
> Specifically, I am seeing this:
>
> gnu/testlet/SimpleTestHarness.java: In class
> `gnu.testlet.SimpleTestHarness': gnu/testlet/SimpleTestHarness.java:
> In method `gnu.testlet.SimpleTestHarness.main(java.lang.String[])':
> gnu/testlet/SimpleTestHarness.java:309: warning: unreachable bytecode
> from 115 to before 118 gnu/testlet/SimpleTestHarness.java:326:
> warning: unreachable bytecode from 202 to before 205
>
> The source code in question (Mauve CVS as of today) has these
> constructs: catch (Exception x)
>             {
>               throw new RuntimeException ("Missing file path after
> '-file'. Exit"); }
> and
>         catch (FileNotFoundException x)
>         {
>           throw new RuntimeException ("Unable to find \""+file+"\".
> Exit"); }
>
> If I comment out the two throw statements, the file builds without
> warning.
>
> Unfortunately, my knowledge of the Java language is quite limited,
> and my knowledge of Java bytecodes nonexistent, so I'd appreciate
> some help in finding out what's wrong here ...

the above is perfectly legal java :-)  unreachable bytecode is usually 
bytecode that follows a return --hence unreachable.

the SimpleTestHarness from CVS compiles with no warnings or errors with 
both jikes 1.18 and gcj 3.4 20030126 (experimental) on my athlon.

have you tried a different compiler and got the same errors? what 
compiler are you using?



cheers;
rsn
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