PR c++/51462 - ICE in cx_check_missing_mem_inits

gcc/cp/

	PR c++/51462
	* semantics.c (cx_check_missing_mem_inits): Don't assert in case
	of error.

gcc/testsuite/

	PR c++/51462
	* g++.dg/cpp0x/constexpr-99.C: New test.

From-SVN: r182806

gcc/cp/ChangeLog

+2012-01-02  Dodji Seketeli  <dodji@redhat.com>
+
+	PR c++/51462
+	* semantics.c (cx_check_missing_mem_inits): Don't assert in case
+    	of error.
+
 2012-01-02  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/20140

gcc/cp/semantics.c

@@ -6051,7 +6051,8 @@ cx_check_missing_mem_inits (tree fun, tree body, bool complain)
 	      /* It's OK to skip a member with a trivial constexpr ctor.
 	         A constexpr ctor that isn't trivial should have been
 	         added in by now.  */
-	      gcc_checking_assert (!TYPE_HAS_COMPLEX_DFLT (ftype));
+	      gcc_checking_assert (!TYPE_HAS_COMPLEX_DFLT (ftype)
+				   || errorcount != 0);
 	      continue;
 	    }
 	  error ("uninitialized member %qD in %<constexpr%> constructor",

gcc/testsuite/ChangeLog

+2012-01-02  Dodji Seketeli  <dodji@redhat.com>
+
+	PR c++/51462
+	* g++.dg/cpp0x/constexpr-99.C: New test.
+
 2012-01-02  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/20140

gcc/testsuite/g++.dg/cpp0x/constexpr-99.C

+// Origin PR c++/51462
+// { dg-options "-std=c++11" }
+
+struct A
+{
+  int i = 0;
+};
+
+struct B
+{
+  A a;
+    constexpr B() : a(0) {} // { dg-error "no matching function" }
+};