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1 // RUN: %clang_cc1 -fsyntax-only -verify -fblocks -std=c++11 -Wimplicit-fallthrough %s
2 
fallthrough_in_blocks()3 void fallthrough_in_blocks() {
4   void (^block)() = ^{
5     int x = 0;
6     switch (x) {
7     case 0:
8       x++;
9       [[clang::fallthrough]]; // no diagnostics
10     case 1:
11       x++;
12     default: // \
13         expected-warning{{unannotated fall-through between switch labels}} \
14         expected-note{{insert 'break;' to avoid fall-through}}
15       break;
16     }
17   };
18   block();
19 }
20