derek.holloway
7502bf64a4
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126 lines
11 KiB
C
126 lines
11 KiB
C
// RUN: rm -fR %t
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// RUN: split-file %s %t
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// RUN: %clang_cc1 -fsyntax-only -verify -Werror=implicit-function-declaration -std=c89 %t/stdargneeds0.c
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// RUN: %clang_cc1 -fsyntax-only -verify=expected-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c89 %t/stdargneeds0.c
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// RUN: %clang_cc1 -fsyntax-only -verify -Werror=implicit-function-declaration -std=c89 %t/stdargneeds1.c
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// RUN: %clang_cc1 -fsyntax-only -verify=expected-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c89 %t/stdargneeds1.c
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// RUN: %clang_cc1 -fsyntax-only -verify -Werror=implicit-function-declaration -std=c89 %t/stdargneeds2.c
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// RUN: %clang_cc1 -fsyntax-only -verify=expected-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c89 %t/stdargneeds2.c
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// RUN: %clang_cc1 -fsyntax-only -verify -Werror=implicit-function-declaration -std=c89 %t/stdargneeds3.c
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// RUN: %clang_cc1 -fsyntax-only -verify=expected-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c89 %t/stdargneeds3.c
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// RUN: %clang_cc1 -fsyntax-only -verify -Werror=implicit-function-declaration -std=c89 %t/stdargneeds4.c
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// RUN: %clang_cc1 -fsyntax-only -verify=expected-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c89 %t/stdargneeds4.c
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// RUN: %clang_cc1 -fsyntax-only -verify -Werror=implicit-function-declaration -std=c89 %t/stdargneeds5.c
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// RUN: %clang_cc1 -fsyntax-only -verify=expected-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c89 %t/stdargneeds5.c
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// Split the file so that the "implicitly declaring library function" errors get repeated.
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// Use C89 to verify that __need_ can be used to get types that wouldn't normally be available.
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//--- stdargneeds0.c
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static void f(int p, ...) {
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__gnuc_va_list g; // expected-error{{undeclared identifier '__gnuc_va_list'}} expected-modules-error{{undeclared identifier}}
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va_list v; // expected-error{{undeclared identifier 'va_list'}} expected-modules-error{{undeclared identifier}}
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va_start(v, p); // expected-error{{implicitly declaring library function 'va_start'}} expected-note{{include the header <stdarg.h> or explicitly provide a declaration for 'va_start'}} expected-error{{undeclared identifier 'v'}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}} expected-modules-error{{undeclared identifier}}
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int i = va_arg(v, int); // expected-error{{implicit declaration of function 'va_arg'}} expected-error{{expected expression}} expected-error{{use of undeclared identifier 'v'}} \
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expected-modules-error{{implicit declaration of function}} expected-modules-error{{expected expression}} expected-modules-error{{undeclared identifier}}
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va_end(v); // expected-error{{implicitly declaring library function 'va_end'}} expected-note{{include the header <stdarg.h> or explicitly provide a declaration for 'va_end'}} expected-error{{undeclared identifier 'v'}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}} expected-modules-error{{undeclared identifier}}
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__va_copy(g, v); // expected-error{{implicit declaration of function '__va_copy'}} expected-error{{use of undeclared identifier 'g'}} expected-error{{use of undeclared identifier 'v'}} \
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expected-modules-error{{implicit declaration of function}} expected-modules-error{{undeclared identifier}} expected-modules-error{{undeclared identifier}}
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va_copy(g, v); // expected-error{{implicitly declaring library function 'va_copy'}} expected-note{{include the header <stdarg.h> or explicitly provide a declaration for 'va_copy'}} expected-error{{use of undeclared identifier 'g'}} expected-error{{use of undeclared identifier 'v'}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}} expected-modules-error{{undeclared identifier}} expected-modules-error{{undeclared identifier}}
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}
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//--- stdargneeds1.c
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#define __need___va_list
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#include <stdarg.h>
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static void f(int p, ...) {
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__gnuc_va_list g;
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va_list v; // expected-error{{undeclared identifier}} \
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expected-modules-error{{'va_list' must be declared before it is used}} expected-modules-note@__stdarg_va_list.h:*{{declaration here is not visible}}
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va_start(v, p); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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int i = va_arg(v, int); // expected-error{{implicit declaration of function}} expected-error{{expected expression}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicit declaration of function}} expected-modules-error{{expected expression}}
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va_end(v); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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__va_copy(g, v); // expected-error{{implicit declaration of function}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicit declaration of function}}
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va_copy(g, v); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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}
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//--- stdargneeds2.c
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#define __need_va_list
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#include <stdarg.h>
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static void f(int p, ...) {
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__gnuc_va_list g; // expected-error{{undeclared identifier}} \
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expected-modules-error{{'__gnuc_va_list' must be declared before it is used}} expected-modules-note@__stdarg___gnuc_va_list.h:*{{declaration here is not visible}}
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va_list v;
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va_start(v, p); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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int i = va_arg(v, int); // expected-error{{implicit declaration of function}} expected-error{{expected expression}} \
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expected-modules-error{{implicit declaration of function}} expected-modules-error{{expected expression}}
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va_end(v); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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__va_copy(g, v); // expected-error{{implicit declaration of function}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicit declaration of function}}
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va_copy(g, v); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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}
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//--- stdargneeds3.c
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#define __need_va_list
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#define __need_va_arg
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#include <stdarg.h>
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static void f(int p, ...) {
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__gnuc_va_list g; // expected-error{{undeclared identifier}} \
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expected-modules-error{{'__gnuc_va_list' must be declared before it is used}} expected-modules-note@__stdarg___gnuc_va_list.h:*{{declaration here is not visible}}
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va_list v;
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va_start(v, p);
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int i = va_arg(v, int);
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va_end(v);
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__va_copy(g, v); // expected-error{{implicit declaration of function}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicit declaration of function}}
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va_copy(g, v); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} expected-error{{undeclared identifier}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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}
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//--- stdargneeds4.c
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#define __need___va_list
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#define __need_va_list
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#define __need___va_copy
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#include <stdarg.h>
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static void f(int p, ...) {
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__gnuc_va_list g;
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va_list v;
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va_start(v, p); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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int i = va_arg(v, int); // expected-error{{implicit declaration of function}} expected-error{{expected expression}} \
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expected-modules-error{{implicit declaration of function}} expected-modules-error{{expected expression}}
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va_end(v); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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__va_copy(g, v);
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va_copy(g, v); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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}
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//--- stdargneeds5.c
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#define __need___va_list
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#define __need_va_list
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#define __need_va_copy
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#include <stdarg.h>
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static void f(int p, ...) {
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__gnuc_va_list g;
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va_list v;
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va_start(v, p); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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int i = va_arg(v, int); // expected-error{{implicit declaration of function}} expected-error{{expected expression}} \
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expected-modules-error{{implicit declaration of function}} expected-modules-error{{expected expression}}
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va_end(v); // expected-error{{implicitly declaring library function}} expected-note{{provide a declaration}} \
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expected-modules-error{{implicitly declaring library function}} expected-modules-note{{provide a declaration}}
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__va_copy(g, v); // expected-error{{implicit declaration of function}} expected-modules-error{{implicit declaration of function}}
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va_copy(g, v);
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}
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