xref: /minix3/external/bsd/llvm/dist/clang/test/SemaCXX/switch-implicit-fallthrough-blocks.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7) 
1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify -fblocks -std=c++11 -Wimplicit-fallthrough %s
2*0a6a1f1dSLionel Sambuc 
fallthrough_in_blocks()3*0a6a1f1dSLionel Sambuc void fallthrough_in_blocks() {
4*0a6a1f1dSLionel Sambuc   void (^block)() = ^{
5*0a6a1f1dSLionel Sambuc     int x = 0;
6*0a6a1f1dSLionel Sambuc     switch (x) {
7*0a6a1f1dSLionel Sambuc     case 0:
8*0a6a1f1dSLionel Sambuc       x++;
9*0a6a1f1dSLionel Sambuc       [[clang::fallthrough]]; // no diagnostics
10*0a6a1f1dSLionel Sambuc     case 1:
11*0a6a1f1dSLionel Sambuc       x++;
12*0a6a1f1dSLionel Sambuc     default: // \
13*0a6a1f1dSLionel Sambuc         expected-warning{{unannotated fall-through between switch labels}} \
14*0a6a1f1dSLionel Sambuc         expected-note{{insert 'break;' to avoid fall-through}}
15*0a6a1f1dSLionel Sambuc       break;
16*0a6a1f1dSLionel Sambuc     }
17*0a6a1f1dSLionel Sambuc   };
18*0a6a1f1dSLionel Sambuc   block();
19*0a6a1f1dSLionel Sambuc }
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