File: switch-implicit-fallthrough-blocks.cpp

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (19 lines) | stat: -rw-r--r-- 463 bytes parent folder | download | duplicates (37)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
// RUN: %clang_cc1 -fsyntax-only -verify -fblocks -std=c++11 -Wimplicit-fallthrough %s

void fallthrough_in_blocks() {
  void (^block)() = ^{
    int x = 0;
    switch (x) {
    case 0:
      x++;
      [[clang::fallthrough]]; // no diagnostics
    case 1:
      x++;
    default: // \
        expected-warning{{unannotated fall-through between switch labels}} \
        expected-note{{insert 'break;' to avoid fall-through}}
      break;
    }
  };
  block();
}