re PR testsuite/64605 (ERROR: (DejaGnu) proc "libatomic_target_compile lto1738.c…

re PR testsuite/64605 (ERROR: (DejaGnu) proc "libatomic_target_compile lto1738.c lto1738.o object additional_flags=-flto" does not exist.)

	PR testsuite/64605

libatomic/
	* testsuite/lib/libatomic.exp: Do not load gcc-dg.exp.
	* testsuite/libatomic.c/c.exp: Load gcc-dg.exp.

From-SVN: r219722

libatomic/ChangeLog

+2015-01-16  Ilya Verbin  <ilya.verbin@intel.com>
+
+	PR testsuite/64605
+	* testsuite/lib/libatomic.exp: Do not load gcc-dg.exp.
+	* testsuite/libatomic.c/c.exp: Load gcc-dg.exp.
+
 2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>
 
 	* configure.tgt: Exclude arm*-*-freebsd* from try_ifunc.

libatomic/testsuite/lib/libatomic.exp

@@ -23,6 +23,11 @@ proc load_gcc_lib { filename } {
 }
 
 load_lib dg.exp
+
+# Required to use gcc-dg.exp - however, the latter should NOT be
+# loaded until ${tool}_target_compile is defined since it uses that
+# to determine default LTO options.
+
 load_gcc_lib file-format.exp
 load_gcc_lib target-supports.exp
 load_gcc_lib target-utils.exp
@@ -40,7 +45,6 @@ load_gcc_lib torture-options.exp
 load_gcc_lib timeout.exp
 load_gcc_lib timeout-dg.exp
 load_gcc_lib fortran-modules.exp
-load_gcc_lib gcc-dg.exp
 
 set dg-do-what-default run
 

libatomic/testsuite/libatomic.c/c.exp

@@ -21,6 +21,7 @@ if [info exists lang_test_file] then {
 }
 
 load_lib libatomic-dg.exp
+load_gcc_lib gcc-dg.exp
 
 # If a testcase doesn't have special options, use these.
 if ![info exists DEFAULT_CFLAGS] then {