forked from OSchip/llvm-project
92 lines
3.8 KiB
C
92 lines
3.8 KiB
C
// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
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struct one {
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int a;
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int values[]; // expected-note 4{{initialized flexible array member 'values' is here}}
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} x = {5, {1, 2, 3}}; // expected-warning{{flexible array initialization is a GNU extension}}
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struct one x2 = { 5, 1, 2, 3 }; // expected-warning{{flexible array initialization is a GNU extension}}
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void test() {
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struct one x3 = {5, {1, 2, 3}}; // expected-error{{initialization of flexible array member is not allowed}}
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struct one x3a = { 5 };
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struct one x3b = { .a = 5 };
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struct one x3c = { 5, {} }; // expected-warning{{use of GNU empty initializer extension}} \
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// expected-warning{{flexible array initialization is a GNU extension}} \
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// expected-warning{{zero size arrays are an extension}}
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}
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struct foo {
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int x;
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int y[]; // expected-note 8 {{initialized flexible array member 'y' is here}}
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};
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struct bar { struct foo z; }; // expected-warning {{'z' may not be nested in a struct due to flexible array member}}
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struct foo a = { 1, { 2, 3, 4 } }; // expected-warning{{flexible array initialization is a GNU extension}}
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struct bar b = { { 1, { 2, 3, 4 } } }; // expected-error{{initialization of flexible array member is not allowed}}
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struct bar c = { { 1, { } } }; // // expected-warning{{flexible array initialization is a GNU extension}} \
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// expected-warning{{use of GNU empty initializer extension}} \
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// expected-warning{{zero size arrays are an extension}}
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struct foo d[1] = { { 1, { 2, 3, 4 } } }; // expected-warning{{'struct foo' may not be used as an array element due to flexible array member}} \
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// expected-error{{initialization of flexible array member is not allowed}}
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struct foo desig_foo = { .y = {2, 3, 4} }; // expected-warning{{flexible array initialization is a GNU extension}}
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struct bar desig_bar = { .z.y = { } }; // expected-warning{{use of GNU empty initializer extension}} \
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// expected-warning{{zero size arrays are an extension}} \
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// expected-warning{{flexible array initialization is a GNU extension}}
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struct bar desig_bar2 = { .z.y = { 2, 3, 4} }; // expected-error{{initialization of flexible array member is not allowed}}
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struct foo design_foo2 = { .y = 2 }; // expected-error{{flexible array requires brace-enclosed initializer}}
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struct point {
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int x, y;
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};
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struct polygon {
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int numpoints;
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struct point points[]; // expected-note{{initialized flexible array member 'points' is here}}
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};
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struct polygon poly = {
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.points[2] = { 1, 2} }; // expected-error{{designator into flexible array member subobject}}
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// PR3540
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struct X {
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int a;
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int b;
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char data[];
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};
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struct Y {
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int a:4;
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int b:4;
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int c;
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int d;
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int e;
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struct X xs[]; // expected-warning{{'struct X' may not be used as an array element due to flexible array member}}
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};
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// PR8217
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struct PR8217a {
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int i;
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char v[]; // expected-note 2 {{initialized flexible array member 'v' is here}}
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};
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void PR8217() {
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struct PR8217a foo1 = { .i = 0, .v = "foo" }; // expected-error {{initialization of flexible array member is not allowed}}
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struct PR8217a foo2 = { .i = 0 };
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struct PR8217a foo3 = { .i = 0, .v = { 'b', 'a', 'r', '\0' } }; // expected-error {{initialization of flexible array member is not allowed}}
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struct PR8217a bar;
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}
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typedef struct PR10648 {
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unsigned long n;
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int v[]; // expected-note {{initialized flexible array member 'v' is here}}
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} PR10648;
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int f10648() {
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return (PR10648){2, {3, 4}}.v[1]; // expected-error {{initialization of flexible array member is not allowed}}
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}
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struct FlexWithUnnamedBitfield { int : 10; int x; int y[]; }; // expected-note {{initialized flexible array member 'y' is here}}
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void TestFlexWithUnnamedBitfield() {
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struct FlexWithUnnamedBitfield x = {10, {3}}; // expected-error {{initialization of flexible array member is not allowed}}
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}
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