File: alignof-sizeof-reference.cpp

package info (click to toggle)
llvm-toolchain-snapshot 1%3A21~%2B%2B20250612091244%2B3f0cf742ac4e-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,204,364 kB
  • sloc: cpp: 7,565,811; ansic: 1,415,365; asm: 1,031,257; python: 250,248; f90: 93,670; objc: 70,556; lisp: 41,926; pascal: 17,847; sh: 10,009; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,423; javascript: 2,272; xml: 892; fortran: 763
file content (24 lines) | stat: -rw-r--r-- 1,160 bytes parent folder | download | duplicates (39) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s

struct s0; // expected-note {{forward declaration}}
char ar[sizeof(s0&)]; // expected-error {{invalid application of 'sizeof' to an incomplete type}}
void test() {
  char &r = ar[0];
  static_assert(alignof(r) == 1, "bad alignment"); // expected-warning {{GNU extension}}
  static_assert(alignof(char&) == 1, "bad alignment");
  static_assert(sizeof(r) == 1, "bad size");
  static_assert(sizeof(char&) == 1, "bad size");
}

int f();  // expected-note{{possible target for call}}
int f(int);  // expected-note{{possible target for call}}
void g() { 
  sizeof(&f); // expected-error{{reference to overloaded function could not be resolved; did you mean to call it with no arguments?}} \
  // expected-warning{{expression result unused}}
}

template<typename T> void f_template(); // expected-note{{possible target for call}}
template<typename T> void f_template(T*); // expected-note{{possible target for call}}
void rdar9659191() {
  (void)alignof(f_template<int>); // expected-error{{reference to overloaded function could not be resolved; did you mean to call it?}} expected-warning {{GNU extension}}
}