File: cxx-variadic-templates-with-default-params.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (29 lines) | stat: -rw-r--r-- 752 bytes parent folder | download | duplicates (21) 
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
 
// Test this without pch.
// RUN: %clang_cc1 -std=c++11 -include %s -fsyntax-only -verify %s

// Test with pch.
// RUN: %clang_cc1 -std=c++11 -x c++-header -emit-pch -o %t %s
// RUN: %clang_cc1 -std=c++11 -include-pch %t -fsyntax-only -verify %s

// RUN: %clang_cc1 -std=c++11 -x c++-header -emit-pch -fpch-instantiate-templates -o %t %s
// RUN: %clang_cc1 -std=c++11 -include-pch %t -fsyntax-only -verify %s

// expected-no-diagnostics

// PR25271: Ensure that default template arguments prior to a parameter pack
// successfully round-trip.
#ifndef HEADER
#define HEADER
template<unsigned T=123, unsigned... U>
class dummy;

template<unsigned T, unsigned... U>
class dummy {
    int field[T];
};
#else
void f() {
    dummy<> x;
    (void)x;
}
#endif