33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/* RUN: %clang_cc1 -std=c89 -verify=expected,c89only -pedantic -Wno-c11-extensions %s
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RUN: %clang_cc1 -std=c99 -verify=expected,c99untilc2x -pedantic -Wno-c11-extensions %s
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RUN: %clang_cc1 -std=c11 -verify=expected,c99untilc2x -pedantic %s
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RUN: %clang_cc1 -std=c17 -verify=expected,c99untilc2x -pedantic %s
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RUN: %clang_cc1 -std=c2x -verify=expected,c2xandup -pedantic %s
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*/
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/* The following are DRs which do not require tests to demonstrate
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* conformance or nonconformance.
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*/
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/* WG14 DR423: partial
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* Defect Report relative to n1570: underspecification for qualified rvalues
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*/
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/* FIXME: this should pass because the qualifier on the return type should be
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* dropped when forming the function type.
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*/
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const int dr423_const(void);
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int dr423_nonconst(void);
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_Static_assert(__builtin_types_compatible_p(__typeof__(dr423_const), __typeof__(dr423_nonconst)), "fail"); /* expected-error {{fail}} */
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void dr423_func(void) {
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const int i = 12;
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__typeof__(i) v1 = 12; /* expected-note {{variable 'v1' declared const here}} */
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__typeof__((const int)12) v2 = 12;
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v1 = 100; /* expected-error {{cannot assign to variable 'v1' with const-qualified type 'typeof (i)' (aka 'const int')}} */
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v2 = 100; /* Not an error; the qualifier was stripped. */
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}
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