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2014-05-02 Marek Polacek <polacek@redhat.com>
PR c/60784
* c-typeck.c (push_init_level): Set constructor_designated to
p->designated for structures.
--- gcc/c/c-typeck.c
+++ gcc/c/c-typeck.c
@@ -7270,6 +7270,9 @@ push_init_level (int implicit, struct obstack * braced_init_obstack)
push_member_name (constructor_fields);
constructor_depth++;
}
+ /* If upper initializer is designated, then mark this as
+ designated too to prevent bogus warnings. */
+ constructor_designated = p->designated;
}
else if (TREE_CODE (constructor_type) == ARRAY_TYPE)
{
--- /dev/null
+++ gcc/testsuite/gcc.dg/pr60784.c
@@ -0,0 +1,25 @@
+/* PR c/60784 */
+/* { dg-do compile } */
+/* { dg-options "-Wextra -std=c99" } */
+
+struct A { int i, j; };
+struct B { struct A a; } b1 = { .a.i = 1, .a.j = 1 };
+struct B b2 = { .a.i = 1 };
+
+struct C { struct { int a, b; }; } c1 = { .a = 4, .b = 2 };
+struct C c2 = { .a = 4, .b = 2 };
+
+struct D { struct A a; };
+struct E { struct D d; };
+struct F { struct E e; } f1 = { .e.d.a.i = 8 };
+struct F f2 = { .e.d.a.i = 8, .e.d.a.j = 3 };
+
+struct G {
+ struct {
+ struct {
+ struct {
+ int a, b, c, d, e, f;
+ };
+ };
+ };
+} g = { .b = 2 };