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author | Alexander Kornienko <alexfh@google.com> | 2014-06-25 08:09:35 +0000 |
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committer | Alexander Kornienko <alexfh@google.com> | 2014-06-25 08:09:35 +0000 |
commit | 9f074fb6303750e5405d0192115cc53aeca3e262 (patch) | |
tree | 6d4ec439ff45ef95177d2447b1e8145aeb22bb3e | |
parent | 3f3078bf289bec6116f4b43221e8aa7609106405 (diff) | |
download | clang-9f074fb6303750e5405d0192115cc53aeca3e262.tar.gz clang-9f074fb6303750e5405d0192115cc53aeca3e262.tar.bz2 clang-9f074fb6303750e5405d0192115cc53aeca3e262.tar.xz |
Added a test to ensure -Wimplicit-fallthrough works with -fblocks correctly.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211676 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | test/SemaCXX/switch-implicit-fallthrough-blocks.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/SemaCXX/switch-implicit-fallthrough-blocks.cpp b/test/SemaCXX/switch-implicit-fallthrough-blocks.cpp new file mode 100644 index 0000000000..9a16f2b4b4 --- /dev/null +++ b/test/SemaCXX/switch-implicit-fallthrough-blocks.cpp @@ -0,0 +1,19 @@ +// 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(); +} |