cxa_demangle: fix -Wimplicit-fallthrough for GCC:7
Use the C++11 (formalised in C++17) tag to indicate a fallthrough in the
switch case. Silences a -Wimplicit-fallthrough warning with gcc:7
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@305173 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/cxa_demangle.cpp b/src/cxa_demangle.cpp
index 3707dca..a2c384e 100644
--- a/src/cxa_demangle.cpp
+++ b/src/cxa_demangle.cpp
@@ -2258,7 +2258,7 @@
break;
}
}
- // drop through
+ [[gnu::fallthrough]];
default:
// must check for builtin-types before class-enum-types to avoid
// ambiguities with operator-names
