File: empty_va_arg.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (16 lines) | stat: -rw-r--r-- 955 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
// RUN: %clang_cc1 -Eonly -std=c17 -pedantic -verify=c17,expected -x c %s
// RUN: %clang_cc1 -Eonly -std=c23 -pedantic -Wpre-c23-compat -verify=c23,expected -x c %s
// RUN: %clang_cc1 -Eonly -std=c++17 -pedantic -verify=cxx17,expected %s
// RUN: %clang_cc1 -Eonly -std=c++20 -pedantic -Wpre-c++20-compat -verify=cxx20,expected %s

// silent-no-diagnostics

#define FOO(x, ...) // expected-note  {{macro 'FOO' defined here}}

int main() {
  FOO(42) // c17-warning {{passing no argument for the '...' parameter of a variadic macro is a C23 extension}} \
          // cxx17-warning {{passing no argument for the '...' parameter of a variadic macro is a C++20 extension}} \
          // c23-warning {{passing no argument for the '...' parameter of a variadic macro is incompatible with C standards before C23}} \
          // cxx20-warning {{passing no argument for the '...' parameter of a variadic macro is incompatible with C++ standards before C++20}}
}