| 1 | // RUN: %clang_cc1 %s -fsyntax-only -Wprivate-extern -verify |
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| 2 | |
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| 3 | // PR3310 |
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| 4 | struct a x1; // expected-note 2{{forward declaration of 'struct a'}} |
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| 5 | static struct a x2; // expected-warning{{tentative definition of variable with internal linkage has incomplete non-array type 'struct a'}} |
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| 6 | struct a x3[10]; // expected-error{{array has incomplete element type 'struct a'}} |
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| 7 | struct a {int x;}; |
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| 8 | static struct a x2_okay; |
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| 9 | struct a x3_okay[10]; |
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| 10 | struct b x4; // expected-error{{tentative definition has type 'struct b' that is never completed}} \ |
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| 11 | // expected-note{{forward declaration of 'struct b'}} |
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| 12 | |
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| 13 | const int a [1] = {1}; |
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| 14 | extern const int a[]; |
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| 15 | |
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| 16 | extern const int b[]; |
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| 17 | const int b [1] = {1}; |
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| 18 | |
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| 19 | extern const int c[] = {1}; // expected-warning{{'extern' variable has an initializer}} |
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| 20 | const int c[]; |
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| 21 | |
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| 22 | int i1 = 1; // expected-note {{previous definition is here}} |
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| 23 | int i1 = 2; // expected-error {{redefinition of 'i1'}} |
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| 24 | int i1; |
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| 25 | int i1; |
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| 26 | extern int i5; // expected-note {{previous declaration is here}} |
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| 27 | static int i5; // expected-error{{static declaration of 'i5' follows non-static declaration}} |
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| 28 | |
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| 29 | static int i2 = 5; // expected-note 1 {{previous definition is here}} |
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| 30 | int i2 = 3; // expected-error{{non-static declaration of 'i2' follows static declaration}} |
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| 31 | |
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| 32 | static int i3 = 5; |
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| 33 | extern int i3; |
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| 34 | |
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| 35 | // rdar://7703982 |
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| 36 | __private_extern__ int pExtern; // expected-warning {{use of __private_extern__ on a declaration may not produce external symbol private to the linkage unit and is deprecated}} \ |
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| 37 | // expected-note {{use __attribute__((visibility("hidden"))) attribute instead}} |
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| 38 | int pExtern = 0; |
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| 39 | |
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| 40 | int i4; |
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| 41 | int i4; |
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| 42 | extern int i4; |
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| 43 | |
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| 44 | int (*pToArray)[]; |
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| 45 | int (*pToArray)[8]; |
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| 46 | |
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| 47 | int redef[10]; |
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| 48 | int redef[]; // expected-note {{previous definition is here}} |
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| 49 | int redef[11]; // expected-error{{redefinition of 'redef'}} |
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| 50 | |
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| 51 | void func() { |
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| 52 | extern int i6; // expected-note {{previous declaration is here}} |
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| 53 | static int i6; // expected-error{{static declaration of 'i6' follows non-static declaration}} |
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| 54 | } |
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| 55 | |
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| 56 | void func2(void) |
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| 57 | { |
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| 58 | extern double *p; |
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| 59 | extern double *p; |
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| 60 | } |
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| 61 | |
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| 62 | // <rdar://problem/6808352> |
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| 63 | static int a0[]; |
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| 64 | static int b0; |
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| 65 | |
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| 66 | static int a0[] = { 4 }; |
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| 67 | static int b0 = 5; |
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| 68 | |
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