1 // RUN: %clang_cc1 -fsyntax-only -verify -Wmissing-field-initializers %s
2 
3 // This was PR4808.
4 
5 struct Foo { int a, b; };
6 
7 struct Foo foo0 = { 1 }; // expected-warning {{missing field 'b' initializer}}
8 struct Foo foo1 = { .a = 1 }; // designator avoids MFI warning
9 struct Foo foo2 = { .b = 1 }; // designator avoids MFI warning
10 
11 struct Foo bar0[] = {
12   { 1,2 },
13   { 1 },   // expected-warning {{missing field 'b' initializer}}
14   { 1,2 }
15 };
16 
17 struct Foo bar1[] = {
18   1, 2,
19   1, 2,
20   1
21 }; // expected-warning {{missing field 'b' initializer}}
22 
23 struct Foo bar2[] = { {}, {}, {} };
24 
25 struct One { int a; int b; };
26 struct Two { float c; float d; float e; };
27 
28 struct Three {
29     union {
30         struct One one;
31         struct Two two;
32     } both;
33 };
34 
35 struct Three t0 = {
36     { .one = { 1, 2 } }
37 };
38 struct Three t1 = {
39     { .two = { 1.0f, 2.0f, 3.0f } }
40 };
41 
42 struct Three data[] = {
43   { { .one = { 1, 2 } } },
44   { { .one = { 1 } } }, // expected-warning {{missing field 'b' initializer}}
45   { { .two = { 1.0f, 2.0f, 3.0f } } },
46   { { .two = { 1.0f, 2.0f } } } // expected-warning {{missing field 'e' initializer}}
47 };
48 
49 struct { int:5; int a; int:5; int b; int:5; } noNamedImplicit[] = {
50   { 1, 2 },
51   { 1 } // expected-warning {{missing field 'b' initializer}}
52 };
53