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view clang/test/SemaCXX/switch-implicit-fallthrough-off-by-default.cpp @ 222:81f6424ef0e3 llvm-original

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LLVM original branch
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 18 Jul 2021 22:10:01 +0900
parents 1d019706d866
children
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -DUNREACHABLE=1 %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -DUNREACHABLE=0 -Wimplicit-fallthrough %s

void fallthrough(int n) {
  switch (n) {
  case 1:
    if (UNREACHABLE)
      return;
    [[fallthrough]]; // expected-no-diagnostics, only checked when UNREACHABLE=0
  case 2:
    break;
  }
}