re PR c++/64994 (Firefox build error: ICE: in cxx_eval_call_expression, at cp/constexpr.c:1353)

	PR c++/64994
	* constexpr.c (cxx_eval_call_expression): Walk the clone list.

From-SVN: r220589

gcc/cp/ChangeLog

+2015-02-10  Jason Merrill  <jason@redhat.com>
+
+	PR c++/64994
+	* constexpr.c (cxx_eval_call_expression): Walk the clone list.
+
 2015-02-10  Jan Hubicka  <hubicka@ucw.cz>
 
 	PR ipa/64982

gcc/cp/constexpr.c

@@ -1348,8 +1348,12 @@ cxx_eval_call_expression (const constexpr_ctx *ctx, tree t,
 	      if (DECL_SAVED_TREE (fun) == NULL_TREE
 		  && (DECL_CONSTRUCTOR_P (fun) || DECL_DESTRUCTOR_P (fun)))
 		/* The maybe-in-charge 'tor had its DECL_SAVED_TREE
-		   cleared, try the first clone.  */
-		fun = DECL_CHAIN (fun);
+		   cleared, try a clone.  */
+		for (fun = DECL_CHAIN (fun);
+		     fun && DECL_CLONED_FUNCTION_P (fun);
+		     fun = DECL_CHAIN (fun))
+		  if (DECL_SAVED_TREE (fun))
+		    break;
 	      gcc_assert (DECL_SAVED_TREE (fun));
 	      tree parms, res;
 

gcc/testsuite/g++.dg/cpp0x/constexpr-ctor18.C

+// PR c++/64994
+// { dg-do compile { target c++11 } }
+
+class TimeStamp {
+public:
+  constexpr TimeStamp() : mValue() {}
+  int mValue;
+};
+
+class A {
+  class B;
+  A(bool);
+};
+class C {
+  TimeStamp mFadeBeginTime;
+};
+class A::B {
+public:
+  B(int) {}
+  TimeStamp mPrevEventTime[1];
+};
+
+A::A(bool) {
+  new C;
+  B(0);
+}