Author: rsmith
Date: Thu Mar 10 13:22:21 2016
New Revision: 263155
URL: http://llvm.org/viewvc/llvm-project?rev=263155&view=rev
Log:
Add test for r263138.
Added:
cfe/trunk/test/SemaCXX/switch-implicit-fallthrough-off-by-default.cpp
Added: cfe/trunk/test/SemaCXX/switch-implicit-fallthrough-off-by-default.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/switch-implicit-fallthrough-off-by-default.cpp?rev=263155&view=auto
==============================================================================
--- cfe/trunk/test/SemaCXX/switch-implicit-fallthrough-off-by-default.cpp
(added)
+++ cfe/trunk/test/SemaCXX/switch-implicit-fallthrough-off-by-default.cpp Thu
Mar 10 13:22:21 2016
@@ -0,0 +1,13 @@
+// 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;
+ }
+}
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