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0171e23647
This reverts commit 9f283bfb9e66d57fefeb3a28318ec40081fa9a24 which was a revert of commit e16882fc7416a30d56d5b5a19d549ca7c653e668; it addresses the issue found by the failing buildbot.
30 lines
1.3 KiB
C
30 lines
1.3 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c11 -Wno-pointer-arith -Wno-gnu-alignof-expression -Wno-unused -pedantic-errors
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static void *a(void); // expected-error {{function 'a' has internal linkage but is not defined}}
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static void *b(void); // expected-error {{function 'b' has internal linkage but is not defined}}
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static void *c(void); // expected-error {{function 'c' has internal linkage but is not defined}}
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static void *d(void); // expected-error {{function 'd' has internal linkage but is not defined}}
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static void *no_err(void);
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int main(void)
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{
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a; // expected-note {{used here}}
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int i = _Alignof(no_err);
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int j = _Generic(&no_err, void *(*)(void): 0);
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void *k = _Generic(&no_err, void *(*)(void): b(), default: 0); // expected-note {{used here}}
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// FIXME according to the C standard there should be no error if the undefined internal is
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// "part of the expression in a generic association that is not the result expression of its generic selection;"
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// but, currently, clang wrongly emits an error in this case
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k = _Generic(&no_err, void *(*)(void): 0, default: c()); // expected-note {{used here}}
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k = _Generic(&no_err, int (*)(void) : 0, default : d()); // expected-note {{used here}}
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int l = sizeof(no_err);
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__typeof__(&no_err) x;
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}
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