re PR other/54726 (libbacktrace segfaults on gcc_asserts with stripped gcc)

	PR other/54726
	* elf.c (backtrace_initialize): Set *fileln_fn, not
	state->fileln_fn.

From-SVN: r191811

libbacktrace/ChangeLog

+2012-09-27  Ian Lance Taylor  <iant@google.com>
+
+	PR other/54726
+	* elf.c (backtrace_initialize): Set *fileln_fn, not
+	state->fileln_fn.
+
 2012-09-19  Ian Lance Taylor  <iant@google.com>
 
 	* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled

libbacktrace/elf.c

@@ -634,7 +634,7 @@ backtrace_initialize (struct backtrace_state *state, int descriptor,
     {
       if (!backtrace_close (descriptor, error_callback, data))
 	goto fail;
-      state->fileline_fn = elf_nodebug;
+      *fileline_fn = elf_nodebug;
       state->fileline_data = NULL;
       return 1;
     }