File: implicit-instantiation-1.cpp

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (25 lines) | stat: -rw-r--r-- 664 bytes parent folder | download | duplicates (40) 
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));
}