File: implicit-instantiation-1.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (25 lines) | stat: -rw-r--r-- 664 bytes parent folder | download | duplicates (42) 
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
 
// RUN: %clang_cc1 -fsyntax-only -verify %s
template<typename T, typename U>
struct X {
  T f(T x, U y) { return x + y; }

  unsigned g(T x, U y) { return sizeof(f(x, y)); }
};

void test(X<int, int> *xii, X<int*, int> *xpi, X<int, int*> *xip) {
  (void)xii->f(1, 2);
  (void)xpi->f(0, 2);
  (void)sizeof(xip->f(2, 0)); // okay: does not instantiate
  (void)xip->g(2, 0); // okay: does not instantiate
}

template<typename T, typename U>
T add(T t, U u) {
  return t + u; // expected-error{{invalid operands}}
}

void test_add(char *cp, int i, int *ip) {
  char* cp2 = add(cp, i);
  add(cp, cp); // expected-note{{instantiation of}}
  (void)sizeof(add(ip, ip));
}