summaryrefslogtreecommitdiff
path: root/clang/test/Sema/warn-sizeof-arrayarg.c
blob: ba8a5fa975a49bf7f2b7f5b12f5d007468a1db32 (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// RUN: %clang_cc1 -fsyntax-only -verify %s

typedef int Arr[10];

typedef int trungl_int;

void f(int a[10], Arr arr) {  // \
// expected-note {{declared here}} \
// expected-note {{declared here}} \
// expected-note {{declared here}} \
// expected-note {{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);
}