re PR c++/92015 (internal compiler error: in cxx_eval_array_reference, at cp/constexpr.c:2568)

	PR c++/92015
	* constexpr.c (cxx_eval_component_reference, cxx_eval_bit_field_ref):
	Use STRIP_ANY_LOCATION_WRAPPER on CONSTRUCTOR elts.

	* g++.dg/cpp0x/constexpr-92015.C: New test.

From-SVN: r277267

gcc/cp/ChangeLog

+2019-10-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/92015
+	* constexpr.c (cxx_eval_component_reference, cxx_eval_bit_field_ref):
+	Use STRIP_ANY_LOCATION_WRAPPER on CONSTRUCTOR elts.
+
 2019-10-21  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/92062 - ODR-use ignored for static member of class template.

gcc/cp/constexpr.c

@@ -2887,7 +2887,10 @@ cxx_eval_component_reference (const constexpr_ctx *ctx, tree t,
 	  : field == part)
 	{
 	  if (value)
-	    return value;
+	    {
+	      STRIP_ANY_LOCATION_WRAPPER (value);
+	      return value;
+	    }
 	  else
 	    /* We're in the middle of initializing it.  */
 	    break;
@@ -2977,6 +2980,7 @@ cxx_eval_bit_field_ref (const constexpr_ctx *ctx, tree t,
   FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (whole), i, field, value)
     {
       tree bitpos = bit_position (field);
+      STRIP_ANY_LOCATION_WRAPPER (value);
       if (bitpos == start && DECL_SIZE (field) == TREE_OPERAND (t, 1))
 	return value;
       if (TREE_CODE (TREE_TYPE (field)) == INTEGER_TYPE

gcc/testsuite/ChangeLog

+2019-10-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/92015
+	* g++.dg/cpp0x/constexpr-92015.C: New test.
+
 2019-10-21  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/92062 - ODR-use ignored for static member of class template.

gcc/testsuite/g++.dg/cpp0x/constexpr-92015.C

+// PR c++/92015
+// { dg-do compile { target c++11 } }
+
+struct S1 { char c[6] {'h', 'e', 'l', 'l', 'o', 0}; };
+struct S2 { char c[6] = "hello"; };
+static_assert (S1{}.c[0] == 'h', "");
+static_assert (S2{}.c[0] == 'h', "");