re PR c++/69795 (g++ ICE on invalid code on x86_64-linux-gnu in "reject_gcc_builtin")

	PR c++/69795
	* c-common.c (reject_gcc_builtin): Check for FUNCTION_DECL rather than
	any DECL.

	* g++.dg/parse/invalid1.C: New test.

From-SVN: r233855

gcc/c-family/ChangeLog

+2016-03-01  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/69795
+	* c-common.c (reject_gcc_builtin): Check for FUNCTION_DECL rather than
+	any DECL.
+
 2016-02-22  Martin Sebor  <msebor@redhat.com>
 
 	PR middle-end/69780

gcc/c-family/c-common.c

@@ -12638,7 +12638,7 @@ reject_gcc_builtin (const_tree expr, location_t loc /* = UNKNOWN_LOCATION */)
 
   if (TREE_TYPE (expr)
       && TREE_CODE (TREE_TYPE (expr)) == FUNCTION_TYPE
-      && DECL_P (expr)
+      && TREE_CODE (expr) == FUNCTION_DECL
       /* The intersection of DECL_BUILT_IN and DECL_IS_BUILTIN avoids
 	 false positives for user-declared built-ins such as abs or
 	 strlen, and for C++ operators new and delete.

gcc/testsuite/ChangeLog

+2016-03-01  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/69795
+	* g++.dg/parse/invalid1.C: New test.
+
 2016-03-01  Richard Biener  <rguenther@suse.de>
 
 	PR middle-end/70022

gcc/testsuite/g++.dg/parse/invalid1.C

+// PR c++/69795
+// { dg-do compile { target c++11 } }
+// { dg-options "-w" }
+
+int foo ( foo += *[ // { dg-error "" }