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// RUN: %clang_cc1 -fsyntax-only -verify %s
// C++11 [basic.link]p6:
// The name of a function declared in block scope and the name
// of a variable declared by a block scope extern declaration
// have linkage. If there is a visible declaration of an entity
// with linkage having the same name and type, ignoring entities
// declared outside the innermost enclosing namespace scope, the
// block scope declaration declares that same entity and
// receives the linkage of the previous declaration.
// rdar://13535367
namespace test0 {
extern "C" int test0_array[];
void declare() { extern int test0_array[100]; }
extern "C" int test0_array[];
int value = sizeof(test0_array); // expected-error {{invalid application of 'sizeof' to an incomplete type 'int []'}}
}
namespace test1 {
extern "C" int test1_array[];
void test() {
{ extern int test1_array[100]; }
extern int test1_array[];
int x = sizeof(test1_array); // expected-error {{invalid application of 'sizeof' to an incomplete type 'int []'}}
}
}
namespace test2 {
void declare() { extern int test2_array[100]; }
extern int test2_array[];
int value = sizeof(test2_array); // expected-error {{invalid application of 'sizeof' to an incomplete type 'int []'}}
}
namespace test3 {
void test() {
{ extern int test3_array[100]; }
extern int test3_array[];
int x = sizeof(test3_array); // expected-error {{invalid application of 'sizeof' to an incomplete type 'int []'}}
}
}
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