Patch: FYI: ignore nio exception in VMCompiler

[Tom Tromey]

I'm checking this in on the trunk and the 4.0 branch.

java.nio.BufferUnderflowException does not extend IOException,
for whatever reason.  We can see one of these if a .db file
is completely empty.

Tom

Index: ChangeLog
from  Tom Tromey  <tromey@redhat.com>

	* java/lang/VMCompiler.java (static block): Also catch
	BufferUnderflowException.

Index: java/lang/VMCompiler.java
===================================================================
RCS file: /cvs/gcc/gcc/libjava/java/lang/VMCompiler.java,v
retrieving revision 1.4.2.1
diff -u -r1.4.2.1 VMCompiler.java
--- java/lang/VMCompiler.java 7 Mar 2005 19:50:00 -0000 1.4.2.1
+++ java/lang/VMCompiler.java 21 Mar 2005 20:46:21 -0000
@@ -141,6 +141,10 @@
 	      catch (java.io.IOException _)
 		{
 		}
+	      catch (java.nio.BufferUnderflowException _)
+		{
+		  // Invalid map file.
+		}
 	    }
 	}
       }