forked from OSchip/llvm-project
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
// RUN: clang-cc -fsyntax-only -verify %s
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enum E {
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Val1,
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Val2
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};
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int& enumerator_type(int);
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float& enumerator_type(E);
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void f() {
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E e = Val1;
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float& fr = enumerator_type(Val2);
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}
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// <rdar://problem/6502934>
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typedef enum Foo {
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A = 0,
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B = 1
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} Foo;
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void bar() {
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Foo myvar = A;
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myvar = B;
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}
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/// PR3688
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struct s1 {
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enum e1 (*bar)(void); // expected-error{{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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enum e2; // expected-error{{ISO C++ forbids forward references to 'enum' types}}
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namespace test1 {
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template <class A, class B> struct is_same { static const int value = -1; };
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template <class A> struct is_same<A,A> { static const int value = 1; };
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enum enum0 { v0 };
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int test0[is_same<typeof(+v0), int>::value];
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enum enum1 { v1 = __INT_MAX__ };
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int test1[is_same<typeof(+v1), int>::value];
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enum enum2 { v2 = __INT_MAX__ * 2U };
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int test2[is_same<typeof(+v2), unsigned int>::value];
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// This kindof assumes that 'int' is smaller than 'long long'.
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#if defined(__LP64__)
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enum enum3 { v3 = __LONG_LONG_MAX__ };
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int test3[is_same<typeof(+v3), long>::value];
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enum enum4 { v4 = __LONG_LONG_MAX__ * 2ULL };
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int test4[is_same<typeof(+v4), unsigned long>::value];
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#else
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enum enum3 { v3 = __LONG_LONG_MAX__ };
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int test3[is_same<typeof(+v3), long long>::value];
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enum enum4 { v4 = __LONG_LONG_MAX__ * 2ULL };
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int test4[is_same<typeof(+v4), unsigned long long>::value];
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#endif
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}
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