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1// RUN: %clang_cc1 -fsyntax-only -verify -Wmissing-field-initializers %s2 3// This was PR4808.4 5struct Foo { int a, b; };6 7struct Foo foo0 = { 1 }; // expected-warning {{missing field 'b' initializer}}8struct Foo foo1 = { .a = 1 }; // designator avoids MFI warning9struct Foo foo2 = { .b = 1 }; // designator avoids MFI warning10 11struct Foo bar0[] = {12 { 1,2 },13 { 1 }, // expected-warning {{missing field 'b' initializer}}14 { 1,2 }15};16 17struct Foo bar1[] = {18 1, 2,19 1, 2,20 121}; // expected-warning {{missing field 'b' initializer}}22 23struct Foo bar2[] = { {}, {}, {} };24 25struct One { int a; int b; };26struct Two { float c; float d; float e; };27 28struct Three {29 union {30 struct One one;31 struct Two two;32 } both;33};34 35struct Three t0 = {36 { .one = { 1, 2 } }37};38struct Three t1 = {39 { .two = { 1.0f, 2.0f, 3.0f } }40};41 42struct 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 49struct { int:5; int a; int:5; int b; int:5; } noNamedImplicit[] = {50 { 1, 2 },51 { 1 } // expected-warning {{missing field 'b' initializer}}52};53 54// GH6630055struct S {56 int f0;57 int f1[];58};59 60// We previously would accidentally diagnose missing a field initializer for61// f1, now we no longer issue that warning (note, this code is still unsafe62// because of the buffer overrun).63struct S s = {1, {1, 2}};64