llvm-project/clang/test/Sema/warn-sizeof-arrayarg.c

27 lines
885 B
C

// RUN: %clang_cc1 -fsyntax-only -verify %s
typedef int Arr[10];
typedef int trungl_int;
void f(int a[10], Arr arr) { // expected-note 4 {{declared here}}
/* Should warn. */
(void)sizeof(a); // \
// expected-warning{{sizeof on array function parameter will return size of 'int *' instead of 'int [10]'}}
(void)sizeof((((a)))); // \
// expected-warning{{sizeof on array function parameter will return size of 'int *' instead of 'int [10]'}}
(void)sizeof a; // \
// expected-warning{{sizeof on array function parameter will return size of 'int *' instead of 'int [10]'}}
(void)sizeof arr; // \
// expected-warning{{sizeof on array function parameter will return size of 'int *' instead of 'Arr' (aka 'int [10]')}}
/* Shouldn't warn. */
int b[10];
(void)sizeof b;
Arr brr;
(void)sizeof brr;
(void)sizeof(Arr);
(void)sizeof(int);
}