libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation is needed.

2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>

	* libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
	is needed.

From-SVN: r99584

gcc/ChangeLog

+2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
+	is needed.
+
 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* fold-const.c, libgcov.c: Fix comment typos.

gcc/libgcov.c

@@ -212,6 +212,8 @@ gcov_exit (void)
       if (IS_DIR_SEPARATOR (gcov_prefix[prefix_length - 1]))
 	prefix_length--;
     }
+  else
+    prefix_length = 0;
   
   /* Allocate and initialize the filename scratch space.  */
   gi_filename = alloca (prefix_length + gcov_max_filename + 1);