+#define FEATURE_BUNDLE_523 4
+#define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
+
+#define CURRENT_HINTS \
+ (PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
+#define CURRENT_FEATURE_BUNDLE \
+ ((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
+
+/* Avoid using ... && Perl_feature_is_enabled(...) as that triggers a bug in
+ the HP-UX cc on PA-RISC */
+#define FEATURE_IS_ENABLED(name) \
+ ((CURRENT_HINTS \
+ & HINT_LOCALIZE_HH) \
+ ? Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)) : FALSE)
+/* The longest string we pass in. */
+#define MAX_FEATURE_LEN (sizeof("postderef_qq")-1)
+
+#define FEATURE_FC_IS_ENABLED \
+ ( \
+ (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_523) \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("fc")) \
+ )
+
+#define FEATURE_SAY_IS_ENABLED \
+ ( \
+ (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_523) \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("say")) \
+ )
+
+#define FEATURE_STATE_IS_ENABLED \
+ ( \
+ (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_523) \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("state")) \
+ )
+
+#define FEATURE_SWITCH_IS_ENABLED \
+ ( \
+ (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_523) \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("switch")) \
+ )
+
+#define FEATURE_BITWISE_IS_ENABLED \
+ ( \
+ CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("bitwise") \
+ )
+
+#define FEATURE_EVALBYTES_IS_ENABLED \
+ ( \
+ (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_523) \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("evalbytes")) \
+ )
+
+#define FEATURE_ARYBASE_IS_ENABLED \
+ ( \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_511 \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("arybase")) \
+ )
+
+#define FEATURE_SIGNATURES_IS_ENABLED \
+ ( \
+ CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("signatures") \
+ )
+
+#define FEATURE___SUB___IS_ENABLED \
+ ( \
+ (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_523) \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("__SUB__")) \
+ )
+
+#define FEATURE_REFALIASING_IS_ENABLED \
+ ( \
+ CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("refaliasing") \
+ )
+
+#define FEATURE_POSTDEREF_QQ_IS_ENABLED \
+ ( \
+ CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_523 \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("postderef_qq")) \
+ )
+
+#define FEATURE_UNIEVAL_IS_ENABLED \
+ ( \
+ (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_523) \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("unieval")) \
+ )
+
+#define FEATURE_MYREF_IS_ENABLED \
+ ( \
+ CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("myref") \
+ )
+
+#define FEATURE_UNICODE_IS_ENABLED \
+ ( \
+ (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
+ CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_523) \
+ || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+ FEATURE_IS_ENABLED("unicode")) \
+ )
+