diff -r 6ab1d6ece8bd -r 5fdbe2cdf565 src/share/vm/adlc/archDesc.cpp
--- a/src/share/vm/adlc/archDesc.cpp	Mon Aug 17 15:03:39 2009 -0700
+++ b/src/share/vm/adlc/archDesc.cpp	Tue Sep 08 09:01:16 2009 +0100
@@ -1031,7 +1031,8 @@
 //---------------------------addSUNcopyright-------------------------------
 // output SUN copyright info
 void ArchDesc::addSunCopyright(char* legal, int size, FILE *fp) {
-  fwrite(legal, size, 1, fp);
+  size_t count = fwrite(legal, 1, size, fp);
+  assert(count == (size_t) size, "copyright info truncated");
   fprintf(fp,"\n");
   fprintf(fp,"// Machine Generated File.  Do Not Edit!\n");
   fprintf(fp,"\n");