Fix 2 typos in IPA ICF pass

	* gcc.dg/ipa/ipa-icf-32.c: Removed one scanned pattern.
	    Martin Liska  <mliska@suse.cz>

	PR ipa/78099
	* common.opt: Mark flag_ipa_icf_variables as Optimization flag.
	* ipa-icf.c (sem_function::get_hash): Add target optimization
	node to hash.

From-SVN: r241510

gcc/ChangeLog

+2016-10-25  H.J. Lu  <hongjiu.lu@intel.com>
+	    Martin Liska  <mliska@suse.cz>
+
+	PR ipa/78099
+	* common.opt: Mark flag_ipa_icf_variables as Optimization flag.
+	* ipa-icf.c (sem_function::get_hash): Add target optimization
+	node to hash.
+
 2016-10-25  Wilco Dijkstra  <wdijkstr@arm.com>
 
 	PR target/78041

gcc/common.opt

@@ -1597,7 +1597,7 @@ Common Report Var(flag_ipa_icf_functions) Optimization
 Perform Identical Code Folding for functions.
 
 fipa-icf-variables
-Common Report Var(flag_ipa_icf_variables)
+Common Report Var(flag_ipa_icf_variables) Optimization
 Perform Identical Code Folding for variables.
 
 fipa-reference

gcc/ipa-icf.c

@@ -300,6 +300,7 @@ sem_function::get_hash (void)
 	 (cl_target_option_hash
 	   (TREE_TARGET_OPTION (DECL_FUNCTION_SPECIFIC_TARGET (decl))));
       if (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (decl))
+	hstate.add_wide_int
 	 (cl_optimization_hash
 	   (TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (decl))));
       hstate.add_flag (DECL_CXX_CONSTRUCTOR_P (decl));

gcc/testsuite/ChangeLog

+2016-10-25  Martin Liska  <mliska@suse.cz>
+
+	* gcc.dg/ipa/ipa-icf-32.c: Removed one scanned pattern.
+
 2016-10-25  Wilco Dijkstra  <wdijkstr@arm.com>
 
 	PR target/78041

gcc/testsuite/gcc.dg/ipa/ipa-icf-32.c

@@ -19,5 +19,4 @@ int main()
   return foo (0) + bar (0);
 }
 
-/* { dg-final { scan-ipa-dump "optimization flags are different" "icf"  } } */
 /* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf"  } } */