forked from OSchip/llvm-project
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
// RUN: clang %s -fsyntax-only -verify -pedantic
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enum e {A,
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B = 42LL << 32, // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
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C = -4, D = 12456 };
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enum f { a = -2147483648, b = 2147483647 }; // ok.
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enum g { // too negative
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c = -2147483649, // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
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d = 2147483647 };
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enum h { e = -2147483648, // too pos
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f = 2147483648 // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
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};
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// minll maxull
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enum x // expected-warning {{enumeration values exceed range of largest integer}}
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{ y = -9223372036854775807LL-1, // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
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z = 9223372036854775808ULL }; // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
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int test() {
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return sizeof(enum e) ;
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}
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enum gccForwardEnumExtension ve; // expected-error {{variable has incomplete type 'enum gccForwardEnumExtension'}} expected-warning{{ISO C forbids forward references to 'enum' types}}
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int test2(int i)
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{
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ve + i;
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}
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// PR2020
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union u0; // expected-note {{previous use is here}}
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enum u0 { U0A }; // expected-error {{use of 'u0' with tag type that does not match previous declaration}}
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// rdar://6095136
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extern enum some_undefined_enum ve2; // expected-warning {{ISO C forbids forward references to 'enum' types}}
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void test4() {
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for (; ve2;) // expected-error {{statement requires expression of scalar type}}
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;
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(_Bool)ve2; // expected-error {{arithmetic or pointer type is required}}
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for (; ;ve2)
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;
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(void)ve2;
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ve2; // expected-warning {{expression result unused}}
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}
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// PR2416
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enum someenum {}; // expected-warning {{use of empty enum extension}}
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// <rdar://problem/6093889>
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enum e0 { // expected-note {{previous definition is here}}
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E0 = sizeof(enum e0 { E1 }) // expected-error {{nested redefinition}}
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};
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