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f1d2f0ea21
This fixes pr14946. The problem was that the linkage computation was done too early, so things like "extern int a;" would be given external linkage, even if a previous declaration was static. llvm-svn: 172667
25 lines
1.2 KiB
C
25 lines
1.2 KiB
C
// RUN: %clang_cc1 -verify -fsyntax-only %s
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extern int g0 __attribute__((weak));
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extern int g1 __attribute__((weak_import));
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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 and functions}}
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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 x __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
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// rdar://9538608
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int C; // expected-note {{previous definition is here}}
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extern int C __attribute__((weak_import)); // expected-warning {{an already-declared variable is made a weak_import declaration}}
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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();
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void pr14946_f() __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
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