[PATCH] D33036: [Support/Compiler.h] - Use gnu::fallthrough for LLVM_FALLTHROUGH when available.
George Rimar via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu May 11 02:28:22 PDT 2017
grimar updated this revision to Diff 98600.
grimar added a comment.
- Addressed review comments.
https://reviews.llvm.org/D33036
Files:
Compiler.h
Index: Compiler.h
===================================================================
--- Compiler.h
+++ Compiler.h
@@ -227,6 +227,8 @@
/// LLVM_FALLTHROUGH - Mark fallthrough cases in switch statements.
#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
#define LLVM_FALLTHROUGH [[fallthrough]]
+#elif __has_cpp_attribute(gnu::fallthrough)
+#define LLVM_FALLTHROUGH [[gnu::fallthrough]]
#elif !__cplusplus
// Workaround for llvm.org/PR23435, since clang 3.6 and below emit a spurious
// error when __has_cpp_attribute is given a scoped attribute in C mode.
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