71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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int outer1; // expected-note{{previous definition is here}}
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extern int outer2; // expected-note{{previous declaration is here}}
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int outer4;
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int outer4; // expected-note{{previous definition is here}}
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int outer5;
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int outer6(float); // expected-note{{previous definition is here}}
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int outer7(float);
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void outer_test() {
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extern float outer1; // expected-error{{redeclaration of 'outer1' with a different type}}
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extern float outer2; // expected-error{{redeclaration of 'outer2' with a different type}}
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extern float outer3; // expected-note{{previous declaration is here}}
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double outer4;
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extern int outer5; // expected-note{{previous declaration is here}}
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extern int outer6; // expected-error{{redefinition of 'outer6' as different kind of symbol}}
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int outer7;
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extern int outer8; // expected-note{{previous definition is here}}
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extern int outer9;
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{
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extern int outer9; // expected-note{{previous declaration is here}}
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}
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}
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int outer3; // expected-error{{redefinition of 'outer3' with a different type}}
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float outer4; // expected-error{{redefinition of 'outer4' with a different type}}
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float outer5; // expected-error{{redefinition of 'outer5' with a different type}}
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int outer8(int); // expected-error{{redefinition of 'outer8' as different kind of symbol}}
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float outer9; // expected-error{{redefinition of 'outer9' with a different type}}
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extern int outer13; // expected-note{{previous declaration is here}}
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void outer_shadowing_test() {
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extern int outer10;
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extern int outer11; // expected-note{{previous declaration is here}}
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extern int outer12; // expected-note{{previous declaration is here}}
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{
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float outer10;
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float outer11;
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float outer12;
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{
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extern int outer10; // okay
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extern float outer11; // expected-error{{redeclaration of 'outer11' with a different type}}
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static double outer12;
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{
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extern float outer12; // expected-error{{redeclaration of 'outer12' with a different type}}
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extern float outer13; // expected-error{{redeclaration of 'outer13' with a different type}}
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}
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}
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}
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}
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void g18(void) { // expected-note{{'g18' declared here}}
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extern int g19;
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}
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int *p=&g19; // expected-error{{use of undeclared identifier 'g19'}} \
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// expected-warning{{incompatible pointer types}}
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// PR3645
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static int a;
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extern int a; // expected-note {{previous declaration is here}}
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int a; // expected-error {{non-static declaration of 'a' follows static declaration}}
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void f(int x) { // expected-note {{previous definition is here}}
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extern int x; // expected-error {{extern declaration of 'x' follows non-extern declaration}}
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}
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extern int b[];
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void g20() { extern int b[3]; } // expected-note{{previous declaration is here}}
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void g21() { extern int b[4]; } // expected-error{{redeclaration of 'b' with a different type: 'int [4]' vs 'int [3]'}}
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