
I believe this is what the original commit (33e022650adee965c65f9aea086ee74f3fd1bad5) was trying to do. This fixes a bug where clang removes the attribute from a declaration that follows a declaration directly contained in a linkage-specification. rdar://61865848
31 lines
1.5 KiB
C
31 lines
1.5 KiB
C
// RUN: %clang_cc1 -verify -fsyntax-only %s
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extern int f0(void) __attribute__((weak));
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extern int g0 __attribute__((weak));
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extern int g1 __attribute__((weak_import));
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int f2(void) __attribute__((weak));
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int g2 __attribute__((weak));
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int g3 __attribute__((weak_import)); // expected-warning {{'weak_import' attribute cannot be specified on a definition}}
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int __attribute__((weak_import)) g4(void);
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void __attribute__((weak_import)) g5(void) {
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}
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struct __attribute__((weak)) s0 {}; // expected-warning {{'weak' attribute only applies to variables, functions, and classes}}
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struct __attribute__((weak_import)) s1 {}; // expected-warning {{'weak_import' attribute only applies to variables and functions}}
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static int f(void) __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
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static int x __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
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int C; // expected-note {{previous definition is here}}
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extern int C __attribute__((weak_import)); // expected-warning {{'C' cannot be declared 'weak_import'}}
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int C2; // expected-note {{previous definition is here}}
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extern int C2;
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extern int C2 __attribute__((weak_import)); // expected-warning {{'C2' cannot be declared 'weak_import'}}
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static int pr14946_x;
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extern int pr14946_x __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
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static void pr14946_f(void);
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void pr14946_f(void) __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
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