Add: GCC 6.2 bug workaround commit #12

qinwf · Dec 19, 2016 · 1b1f4f9 · 1b1f4f9
1 parent 07ac1f5
commit 1b1f4f9
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/dfa.cc b/src/dfa.cc
@@ -101,7 +101,15 @@ class DFA {
     uint flag_;         // Empty string bitfield flags in effect on the way
                         // into this state, along with kFlagMatch if this
                         // is a matching state.
+    // std::atomic<State*> next_[];    // Outgoing arrows from State,
+
+    // Work around the bug affecting flexible array members in GCC 6.1 and 6.2.
+    // (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70932)
+#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 6 && __GNUC_MINOR__ >= 1
+    std::atomic<State*> next_[0];   // Outgoing arrows from State,
+#else
     std::atomic<State*> next_[];    // Outgoing arrows from State,
+#endif
                         // one per input byte class
   };