121 lines
4.1 KiB
C
121 lines
4.1 KiB
C
// RUN: %clang_cc1 %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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i = 0xFFFF0000 // expected-warning {{too large}}
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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-warning{{ISO C forbids forward references to 'enum' types}} \
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// expected-error{{tentative definition has type 'enum gccForwardEnumExtension' that is never completed}} \
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// expected-note{{forward declaration of 'enum gccForwardEnumExtension'}}
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int test2(int i)
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{
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ve + i; // expected-error{{invalid operands to binary expression}}
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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) // expected-warning {{expression result unused}}
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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-error {{use of empty enum}}
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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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// PR3173
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enum { PR3173A, PR3173B = PR3173A+50 };
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// PR2753
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void foo() {
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enum xpto; // expected-warning{{ISO C forbids forward references to 'enum' types}}
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enum xpto; // expected-warning{{ISO C forbids forward references to 'enum' types}}
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}
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// <rdar://problem/6503878>
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typedef enum { X = 0 }; // expected-warning{{typedef requires a name}}
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enum NotYetComplete { // expected-note{{definition of 'enum NotYetComplete' is not complete until the closing '}'}}
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NYC1 = sizeof(enum NotYetComplete) // expected-error{{invalid application of 'sizeof' to an incomplete type 'enum NotYetComplete'}}
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};
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/// PR3688
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struct s1 {
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enum e1 (*bar)(void); // expected-warning{{ISO C forbids forward references to 'enum' types}}
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};
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enum e1 { YES, NO };
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static enum e1 badfunc(struct s1 *q) {
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return q->bar();
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}
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// Make sure we don't a.k.a. anonymous enums.
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typedef enum {
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an_enumerator = 20
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} an_enum;
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char * s = (an_enum) an_enumerator; // expected-warning {{incompatible integer to pointer conversion initializing 'char *' with an expression of type 'an_enum'}}
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// PR4515
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enum PR4515 {PR4515a=1u,PR4515b=(PR4515a-2)/2};
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int CheckPR4515[PR4515b==0?1:-1];
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// PR7911
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extern enum PR7911T PR7911V; // expected-warning{{ISO C forbids forward references to 'enum' types}}
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void PR7911F() {
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switch (PR7911V); // expected-error {{statement requires expression of integer type}}
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}
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char test5[__has_feature(enumerator_attributes) ? 1 : -1];
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// PR8694
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// rdar://8707031
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void PR8694(int* e) // expected-note {{passing argument to parameter 'e' here}}
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{
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}
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void crash(enum E* e) // expected-warning {{declaration of 'enum E' will not be visible outside of this function}} \
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// expected-warning {{ISO C forbids forward references to 'enum' types}}
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{
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PR8694(e); // expected-warning {{incompatible pointer types passing 'enum E *' to parameter of type 'int *'}}
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}
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typedef enum { NegativeShort = (short)-1 } NegativeShortEnum;
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int NegativeShortTest[NegativeShort == -1 ? 1 : -1];
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