File: warn-sign-conversion-cpp11.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (21 lines) | stat: -rw-r--r-- 552 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
 
// RUN: %clang_cc1 -fsyntax-only -verify -Wsign-conversion -std=c++11 %s

unsigned int test() {
  short foo;
  return foo; // expected-warning {{implicit conversion changes signedness}}

}

unsigned int test3() {
  // For a non-defined enum, use the underlying type.
  enum u8 : signed char;
  u8 foo{static_cast<u8>(0)};
  return foo; // expected-warning {{implicit conversion changes signedness}}

}
unsigned int test2() {
  // For a non-defined enum, use the underlying type.
  enum u8 : unsigned char;
  u8 foo{static_cast<u8>(0)};
  return foo;
}