[google] initialize eof_pos (issue4553059)

[Rong Xu]

Add the initializtion for eof_pos. eof_pos may not be initialized properly
when part of gcda files got merged.

Tested with gcc bootstrap and regression tests. 

2011-05-23  Rong Xu  <xur@google.com>

	* gcc/libgcov.c	(gcov_merge_gcda_file): initialize eof_pos for
	every invocation.

Index: gcc/libgcov.c
===================================================================
--- gcc/libgcov.c	(revision 174088)
+++ gcc/libgcov.c	(working copy)
@@ -748,6 +748,8 @@
   int error = 0;
   gcov_unsigned_t tag, length;
 
+  eof_pos = 0;
+
   tag = gcov_read_unsigned ();
   if (tag)
     {

--
This patch is available for review at http://codereview.appspot.com/4553059