PR target/79241: S/390: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.

gcc/ChangeLog:

2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	PR target/79421
	* config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.

From-SVN: r245476

gcc/ChangeLog

+2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
+
+	PR target/79421
+	* config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
+
 2017-02-14  Andrew Pinski  <apinski@cavium.com>
 
 	* config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"

gcc/config/s390/s390.c

@@ -15632,6 +15632,10 @@ s390_asan_shadow_offset (void)
 #undef TARGET_TRAMPOLINE_INIT
 #define TARGET_TRAMPOLINE_INIT s390_trampoline_init
 
+/* PR 79421 */
+#undef TARGET_CUSTOM_FUNCTION_DESCRIPTORS
+#define TARGET_CUSTOM_FUNCTION_DESCRIPTORS 1
+
 #undef TARGET_UNWIND_WORD_MODE
 #define TARGET_UNWIND_WORD_MODE s390_unwind_word_mode