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faf556b745
struct __attribute__((visibility("hidden"))) zed {
};
struct __attribute__((visibility("hidden"))) zed;
Which is a bit silly and got a lot noisier now that we correctly handle
visibility pragmas. This patch fixes that and also has some extra quality
improvements:
* We now produce an error instead of a warning for
struct __attribute__((visibility("hidden"))) zed {
};
struct __attribute__((visibility("default"))) zed;
* The "after definition" warning now points to the new attribute that is
ignored instead of pointing to the declaration.
llvm-svn: 160227
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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void foo();
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void foo() __attribute__((unused));
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void foo() __attribute__((unused));
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void foo(){} // expected-note {{previous definition is here}}
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void foo() __attribute__((constructor)); // expected-warning {{must precede definition}}
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void foo();
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int bar;
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extern int bar;
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int bar;
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int bar __attribute__((weak));
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int bar __attribute__((used));
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extern int bar __attribute__((weak));
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int bar = 0; // expected-note {{previous definition is here}}
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int bar __attribute__((weak)); // no warning as it matches the existing
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// attribute.
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int bar __attribute__((used,
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visibility("hidden"))); // expected-warning {{must precede definition}}
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int bar;
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struct zed { // expected-note {{previous definition is here}}
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};
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struct __attribute__((visibility("hidden"))) zed; // expected-warning {{must precede definition}}
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struct __attribute__((visibility("hidden"))) zed2 {
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};
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struct __attribute__((visibility("hidden"))) zed2;
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struct __attribute__((visibility("hidden"))) zed3 { // expected-note {{previous definition is here}}
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};
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struct __attribute__((visibility("hidden"),
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packed // expected-warning {{must precede definition}}
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)) zed3;
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struct __attribute__((visibility("hidden"))) zed4 { // expected-note {{previous attribute is here}}
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};
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struct __attribute__((visibility("default"))) zed4; // expected-error {{visibility does not match previous declaration}}
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