xref: /aosp_15_r20/external/clang/test/SemaCXX/switch-implicit-fallthrough-off-by-default.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -DUNREACHABLE=1 %s
2*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -DUNREACHABLE=0 -Wimplicit-fallthrough %s
3*67e74705SXin Li 
fallthrough(int n)4*67e74705SXin Li void fallthrough(int n) {
5*67e74705SXin Li   switch (n) {
6*67e74705SXin Li   case 1:
7*67e74705SXin Li     if (UNREACHABLE)
8*67e74705SXin Li       return;
9*67e74705SXin Li     [[fallthrough]]; // expected-no-diagnostics, only checked when UNREACHABLE=0
10*67e74705SXin Li   case 2:
11*67e74705SXin Li     break;
12*67e74705SXin Li   }
13*67e74705SXin Li }
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