Avoid "enum conversion when passing argument 1 of 'getrusage' is invalid in C++" warning

* getruntime.c (get_run_time) [__USE_GNU]: Use RUSAGE_SELF as
 	argument 1 of getrusage call.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225534 138bc75d-0d04-0410-961f-82ee72b054a4

libiberty/ChangeLog

@@ -52,6 +52,11 @@
 
 	* configure: Regenerated.
 
+2015-07-08  Uros Bizjak  <ubizjak@gmail.com>
+
+	* getruntime.c (get_run_time) [__USE_GNU]: Use RUSAGE_SELF as
+	argument 1 of getrusage call.
+
 2015-06-01  Jason Merrill  <jason@redhat.com>
 
 	* cp-demangle.c (cplus_demangle_type): Handle arguments to vendor

libiberty/getruntime.c

@@ -95,7 +95,11 @@ get_run_time (void)
 #if defined (HAVE_GETRUSAGE) && defined (HAVE_SYS_RESOURCE_H)
   struct rusage rusage;
 
+#if defined __USE_GNU && !defined __cplusplus
+  getrusage (RUSAGE_SELF, &rusage);
+#else
   getrusage (0, &rusage);
+#endif
   return (rusage.ru_utime.tv_sec * 1000000 + rusage.ru_utime.tv_usec
 	  + rusage.ru_stime.tv_sec * 1000000 + rusage.ru_stime.tv_usec);
 #else /* ! HAVE_GETRUSAGE */